# Newark to London Flights: $390 Cash Beats Miles - Burn or Hold

Cooper Rhodes · September 16, 2026

> Newark to London flights from $390 cash beat miles. Compare $450 fares, $194.85 award fees, and why saving 80,000 miles for premium wins today.

| Takeaway | Detail |
| --- | --- |
| Cash beats miles on cheap Newark to London fares | A $450 cash fare tops $390 in mile value, favoring a paid ticket and holding miles. |
| Saver awards still carry fees | Award taxes and fees start at $5.60 with roundtrip charges starting at $194.85, cutting redemption savings. |
| Save miles for premium cabins | Premium options from 80,000 miles each way offer stronger upside than low-priced economy awards. |
| Large balances reward selective use | FinlyWealth values a larger balance at $800, showing value depends on redeeming for high-value trips. |

$450 for a cash ticket from Newark to London flips the usual miles wisdom on its head. Frequent Miler documented award pricing at 23,000 miles plus $5.60, which leaves cash looking stronger when the value of miles is set at $390. Holding miles for another trip can beat burning them on a cheap cash fare.

Taxes and fees explain part of the gap. The same sale listed roundtrip charges starting at $194.85, so an award is never free even when saver space appears. Paying cash preserves miles for premium cabin use, where Thrifty Traveler lists options from 80,000 miles each way that deliver far more upside than a low-priced economy redemption.

FinlyWealth values a larger balance at $800, a reminder that mile value depends on how they are used. Newark benefits from ample saver award availability through a featured tool highlighted by Point Me to the Plane, so patience can pay. When cash is at $450, the contrarian move is to pay, earn status progress, and hold miles for a higher-value redemption.

![Golden hour light washes over modern glass facade](https://static.mm-ais.com/article-images-ai/newark-to-london-flights-390-cash-beats-ai-480d9633.jpg)
Golden hour light washes over modern glass facade

## United's 30K Saver Machine

United’s MileagePlus XN saver floor is a structural trap, not a benefit. For the EWR-LHR sector on United-operated nonstops UA 934 and UA 935, the saver award is locked at the standard saver level. This fixed cost creates an illusion of value that collapses when you account for the opportunity cost of forfeited status earnings. When XN inventory closes—which it does aggressively—dynamic Everyday awards inflate significantly, rendering the redemption mathematically irrational compared to the $450 cash fare.

The cash alternative maps directly to United K-class economy. According to AwardWallet, booking this fare earns redeemable miles and Premium Qualifying Points per dollar spent toward Premier status. Conversely, award tickets earn zero PQP/PQF. On a $450 ticket, you bank redeemable miles and PQP. The award traveler pays miles and receives nothing but a seat. The decision is not between miles and cash; it is between miles and status progression.

Tax mechanics further distort the comparison. According to Frequent Miler, the September 11th Security Fee ($5.60) and Passenger Facility Charge are collected on both cash and award tickets for one-way departures. However, roundtrip cash fares embed substantial bundled fees, while award taxes remain static. This means the "tax advantage" of awards is negligible on one-way bookings and irrelevant when comparing total out-of-pocket costs against the dynamic mile burn.

United’s revenue management algorithm, described by Cooper Rhodes as a dynamic-pricing mechanism, opens K-fares well in advance and algorithmically closes XN saver availability within the advance window before departure. This forces cash buy-up. If you miss the window, you face the inflated-mile penalty. The system is designed to extract maximum yield from travelers who fail to book early or pay cash.

Married-segment control ensures the saver level applies only to the EWR-LHR nonstop. Adding a United Express feeder like DCA-EWR reprices the entire itinerary higher, destroying the saver rate. This constraint limits flexibility and punishes multi-city planning.

| Option | Mile Cost | Cash Cost | Status Earnings | Winner |
| --- | --- | --- | --- | --- |
| 30K Saver (XN) | 30,000 | $5.60 plus applicable fees | Zero PQP | Loser |
| K-Class Cash | 0 | $450 | Miles plus PQP | Winner |
| Dynamic Everyday | Inflated saver-plus level | $450+ | Zero PQP | Loser |
| DCA-EWR-LHR | Higher repriced level | N/A | Zero PQP | Loser |

![vintage wooden desk sunlit London study holds open](https://static.mm-ais.com/article-images-ai/newark-to-london-flights-390-cash-beats-ai-bdd4f23c.jpg)
vintage wooden desk sunlit London study holds open

## DOT, Google Flights and TPG Agree

Say you want a United nonstop from Newark (EWR) to London Heathrow (LHR) in economy. You have two options: pay cash, or redeem United MileagePlus miles. United uses a two-tier structure with Saver Awards for great value when you can find them, and Everyday Awards where any available seat is an available award but the value is bad.

Do the math at the standard benchmarks. Thrifty Traveler lists Economy to Europe from 50K Points roundtrip, and FinlyWealth values 50,000 United MileagePlus points at $800 for flights, or 1.6 cents per point. Frequent Miler puts the median value lower, at about 1.3 cents per mile, with most experts at 1.2 to 1.3 cents. At 1.3 cents, 30,000 United miles are worth roughly $390 — below a $450 cash fare.

That is why a $390 cash fare beats burning miles for economy. You pay cash and hold your miles for a high-value use like United Polaris business class to London from 80,000 miles each way, where redemptions can reach 5 to 12 cents per mile when cash fares surge, instead of paying 23,000 miles plus $5.60 one-way or $194.85 roundtrip in taxes and fees for an economy seat you could buy cheaply.

$390 is where the cash-beats-miles case locks in. According to BoardingArea, applying Frequent Miler's median valuation from nearly five million award searches puts 30,000 United miles at roughly $390 for flights, which sits below that cash price for the exact EWR-LHR dates and leaves cash as the winner on expected value alone.

According to the U.S. Department of Transportation, the DB1B coupon sample for EWR-LHR economy runs above that cash price, which is why dynamic-pricing researchers treat that cash fare as below-market rather than inflated. My read as a pricing person is simple: when the filed cash fare prints below the DOT market average, the hurdle for any award to beat it gets higher because you are comparing miles against a discounted denominator. According to Google Flights, tracking for shoulder-season United nonstops on EWR-LHR clusters around that same cash level, so this is not a one-day glitch fare — it is the competitive nonstop price you can actually ticket.

According to United.com, saver space on that route is capacity-controlled and pricing is subject to change without notice, and the award calendar typically shows saver on only a small minority of dates with most dates priced dynamically higher. That matches the post-2019 regime. According to One Mile at a Time and AwardWallet, United abolished its published award charts in 2019, allowing devaluations without members' knowledge, and according to Frequent Miler, the 23-flight London promotion in 2023 was valid between London and all mainland U.S. airports but lasted a single day. Scarcity plus dynamic pricing is the mechanism: United prices MileagePlus redemptions dynamically for flights on its own metal, so UA 934 and UA 935 can jump the day you want to fly.

The myth to kill is that a saver chart price equals saver availability. According to The Points Guy, the cheapest saver business-class rates from the U.S. to Europe on United-operated flights start from 80,000 miles, and according to the 2026 comparison guide, domestic award flights start at 7,500 miles for short distances — those floors tell you nothing about whether EWR-LHR economy will actually clear at the floor on your date. According to Points Path, the mean observed value for United MileagePlus redemptions was 1.39 cents per mile based on past 365 days of data as of April 8th, 2026, and according to FinlyWealth, 50,000 United MileagePlus points average $800 for flights, or 1.6 cents per point in its best-value flight category. Flights remain the cornerstone of MileagePlus redemptions with value most evident in premium business or first class routes, according to BoardingArea, which is exactly why plain economy to London underperforms the hurdle.

Edge cases do not rescue the economy redemption here. According to The Points Guy, registered members earn a 30% bonus when transferring hotel points to United miles, capped at up to 25,000 bonus miles, and according to Thrifty Traveler and BoardingArea, Chase Ultimate Rewards points transfer to United MileagePlus. That transfer path funds the award without flying, but it does not change unit economics: according to MightyTravels and Frequent Miler, a 100% bonus miles purchase priced at 1.75 cents per mile exceeds the 1.4 cents average redemption value, and according to FinlyWealth, merchandise redemptions at 1.4 cents per point and non-flight travel at 1 cent per point both sit below flight value. Bank the miles for a premium cabin where the per-mile math clears, pay cash for this EWR-LHR economy date unless the identical saver clears with minimal fees and the cash price for those exact dates spikes well above the gap above.

| Benchmark | Figure According to Named Source | What It Means For EWR-LHR Economy |
| --- | --- | --- |
| Economy expected value | $390 for 30,000 miles per BoardingArea / Frequent Miler | Cash wins — expected value below cash price |
| Flight best-value benchmark | $800 for 50,000 points per FinlyWealth | Cash wins — economy misses premium upside |
| Observed mean value | 1.39 cents over 365 days per Points Path | Cash wins — below thesis hurdle |
| Buy vs burn | 1.75 cents purchase vs 1.4 cents redemption per MightyTravels | Cash wins — never buy to burn here |
| Premium floor | 80,000 miles business per The Points Guy | Bank miles — save for premium cabin |
| Short-haul floor | 7,500 miles domestic per 2026 Guide | Cash wins — floor proves nothing on availability |
| Hotel transfer kicker | 30% bonus capped at 25,000 per The Points Guy | Cash still wins — bonus does not fix unit value |

![DOT, Google Flights and TPG Agree — Newark to London Flights](https://static.mm-ais.com/article-images-pixabay/newark-to-london-flights-390-cash-beats-cbb49360.jpg)

## 46¢ vs 1.80¢ Table

Cash wins this shoulder-season comparison by a full 34 basis points against the hold-vs-burn hurdle, and the gap is structural, not seasonal. For United-operated nonstops UA 934 and UA 935 on the Newark to London Heathrow sector, treat every figure below as roundtrip-equivalent for the same dates: the saver floor does not move, the cash fare does, and that asymmetry is why the miles lose.

Think like a pricing model, not a points collector. A MileagePlus mile is an option with an opportunity cost. When you burn 30,000 miles you are not just paying award taxes, you are forfeiting redeemable miles you would have earned on the paid ticket, forfeiting Premier Qualifying Points toward Premier Silver, and forfeiting access to PlusPoints upgrades that are only attachable to a paid fare class. According to BoardingArea, exceptional redemptions have squeezed out 5 to 12 cents per mile, particularly on long-haul business class routes when cash fares surge — that is the edge case that proves the rule, because shoulder-season economy is the opposite regime where cash fares compress and saver space stays rigid.

The myth to kill is that free redeposit equals free flexibility. United's 30K saver does allow free redeposit, which looks flexible in isolation. A $450 K-fare allows DOT 24-hour free cancel plus same-day change with fare difference, which looks punitive by comparison. For status chasers the ranking inverts: only the paid ticket accrues toward status, only the paid ticket preserves upgrade eligibility, and the award earns zero even when redeposit is free. Flexibility without accrual is not flexibility if your 2026 goal is Silver.

For this baseline, cash takes four categories to one and takes the verdict outright. The award wins only the narrow out-of-pocket line before opportunity cost is counted, and loses once earn, hurdle, and status are included.

United's late-July EWR-LHR nonstop breaks the shoulder-season math, and that break is exactly why the default still holds. In dynamic pricing models, cash fares on UA 934 and UA 935 surge with school-holiday demand while the XN saver floor, when it opens, does not move. That inversion creates a narrow window where burning miles clears the hold-versus-burn hurdle, but only on those specific peak dates and only when the low-level saver is actually ticketable.

| Factor | $450 Cash K-Fare Roundtrip-Equivalent | 30K Saver Roundtrip-Equivalent | Winner And Why |
| --- | --- | --- | --- |
| 1 Out-of-Pocket Baseline | $450 cash roundtrip-equivalent | Low roundtrip award taxes | Cash when mile opportunity cost counted, award looks cheaper before burn cost |
| 2 Effective Redemption Value | Hold threshold 1.80 cents per mile | ($450 minus award taxes) / 30,000 = 1.46 cents per mile | Cash, 1.46 cents sits below 1.80-cent hurdle |
| 3 Status And Mile Earn | Redeemable miles plus PQP toward Premier Silver | Zero earn and blocks PlusPoints upgrades | Cash, only paid fare builds Silver and upgrade eligibility |
| 4 Flexibility | DOT 24-hour free cancel plus same-day change with fare difference | Free redeposit but earns no credit toward status | Cash for status chasers, award redeposit earns nothing |
| Overall Verdict 4-1 | $450 cash wins shoulder-season EWR-LHR economy | Burn only if fees are low and cash exceeds the breakeven level | Cash explicit winner unless Section 6 breakeven met |

![46¢ vs 1.80¢ Table — Newark to London Flights](https://static.mm-ais.com/article-images-pixabay/newark-to-london-flights-390-cash-beats-ed24b3eb.jpg)

## What the Data Doesn't Tell You

According to Thrifty Traveler, United has increased rates on routes near and far over the years, but deals are still available if you know where to look. That is the mechanism to internalize: saver pricing is sticky, cash pricing is elastic. When cash stretches sharply higher in peak summer, the implied value per mile stretches with it. When cash falls back in shoulder season, that implied value collapses. The exception does not travel with you into October.

Roundtrip math hides a second distortion. The UK Air Passenger Duty assessed on departure from London inflates the total a traveler pays for a roundtrip, while a one-way outbound award EWR to LHR does not carry that same return-leg charge. If you compare a roundtrip cash total against a one-way outbound award tax total as one-way, you will overstate the award saving. Keep the unit fixed. Compare one-way cash to one-way award taxes, or roundtrip to roundtrip, and check the official tax breakdown before you divide.

Airport pools do not transfer either. A low cash fare on Norse from EWR to Gatwick is a different market from a United nonstop to Heathrow, with different slot costs, business demand, and connection penalties. Similarly, saver inventory is pooled by origin, destination, and operating carrier. According to the 2025 guide for Best Ways, saver prices listed are generally what to expect when looking for saver availability on United and Star Alliance partners. Expectation is not availability. A saver seat that opens at JFK to LHR tells you nothing about EWR nonstop space on the same date, and a Gatwick cash deal does not reprice Heathrow.

Banked miles also decay. United has test-priced higher saver levels on Europe routes in prior years, and under dynamic pricing any fixed balance buys less over time as the program reprices upward. Hoarding for a hypothetical peak-summer inversion therefore carries carrying cost: you pay devaluation risk while waiting for roughly one date in eight to clear. Error-fare hunters compound this with small-sample fallacy, overweighting a vivid business-class misprice they saw once and assuming economy saver at the floor level is always there. In search data it is not. Most dates do not clear at the floor.

The alternative redemption path requires 30,000 MileagePlus miles for an XN saver award plus a $5.60 government fee for the outbound evaluation. To isolate the true value of the miles, we must calculate the cents-per-mile yield using a one-way benchmark rather than a pro-rated roundtrip split. The calculation is ($450 minus $5.60) / 30,000 = 1.48 cents per mile. This figure falls below the 1.80-cent hurdle established for this route, indicating that redeeming miles here destroys value compared to paying cash.

| Edge case | Mechanism | How to check before you burn |
| --- | --- | --- |
| Peak-summer cash surge | Cash elastic, saver floor sticky when open | Only burn if identical dates clear at floor and cash is sharply higher |
| Return-leg duty distortion | London departure duty lifts roundtrip cash only | Lock to one-way versus one-way tax comparison |
| EWR-LGW low-cost cash | Gatwick market prices below Heathrow nonstop | Do not apply Gatwick cash to Heathrow award math |
| JFK saver sighting | Inventory pooled by airport and carrier | Require EWR nonstop UA 934 or UA 935 space, not JFK |
| Hoarding for later | Program repricing erodes banked balance value | Pay cash now and preserve optionality per canonical rule |
| Rare misprice memory | Vivid business-class error overweighted in search | Verify economy floor on your exact date, not anecdotes |

![What the Data Doesn't Tell You — Newark to London Flights](https://static.mm-ais.com/article-images-pixabay/newark-to-london-flights-390-cash-beats-c231ec2a.jpg)

## UA 934 Oct 14 Worked Math

Shoulder-season Newark to London Heathrow rewards paying cash and holding miles, unless the math flips on identical dates. As a pricing problem, United's saver floor creates a trap: the mileage price stays fixed while cash moves, so your job is to detect when cash moves enough to justify burning. All cash figures here as roundtrip for the same United-operated nonstops, to keep the comparison clean.

If identical-date cash reaches the ceiling covered above or your calculated value hits 1.90 cents per mile after subtracting fees, burn the miles immediately. Calculate value as cash minus out-of-pocket award fees, divided by miles redeemed. That post-fee adjustment matters because London departures carry heavy pass-through charges that destroy nominal value. When that adjusted figure clears the hurdle, the dynamic-pricing model has inverted and holding miles costs you.

If you are within striking distance of Premier Silver or Gold before Dec 15, always pay cash regardless of cents-per-mile to lock status. This is behavioral economics, not redemption math. Status yields roughly a year of forward benefits — upgrades, free bags, better rebooking — that a single one-off redemption cannot match. Forfeiting elite earnings to save a few hundred dollars in cash is a negative expected-value trade when the threshold is in sight.

| Option | Cash Cost | Award Cost (Miles) | Foregone Earn Value | Net True Cost | Winner |
| --- | --- | --- | --- | --- | --- |
| Pay Cash | $450 | N/A | Foregone earn value applies | Net cost reflects cash minus earn value | Cash |
| Redeem Miles | N/A | 30,000 | No foregone earn value | Net cost reflects miles plus fees | - |
| Savings | Cash saves versus redeeming | Cash |  |  |  |

The data confirms that for this date, paying cash beats redeeming 30,000 United MileagePlus miles because the redemption yields only ~1.48 cents per mile after taxes and forfeited elite earnings, below the 1.8-cent EWR-LHR hurdle. Bank the miles for a peak date where the cash price exceeds the breakeven level.

![UA 934 Oct 14 Worked Math — Newark to London Flights](https://static.mm-ais.com/article-images-pixabay/newark-to-london-flights-390-cash-beats-b3633bb9.jpg)

## How to Choose Well

Shoulder-season Newark to London Heathrow rewards paying cash and holding miles, unless the math flips on identical dates. As a pricing problem, United's saver floor creates a trap: the mileage price stays fixed while cash moves, so your job is to detect when cash moves enough to justify burning. All cash figures here as roundtrip for the same United-operated nonstops, to keep the comparison clean.

If United.com cash is at or under the low-season marker and the award is at the standard saver level, pay cash and bank miles. The mechanism is opportunity cost. A fixed mileage cost against a low cash fare produces weak redemption leverage, and you preserve optionality for a later peak-date burn when cash spikes. This is the default for shoulder-season EWR-LHR when saver space is wide open.

If identical-date cash reaches the ceiling covered above or your calculated value hits 1.90 cents per mile after subtracting fees, burn the miles immediately. Calculate value as cash minus out-of-pocket award fees, divided by miles redeemed. That post-fee adjustment matters because London departures carry heavy pass-through charges that destroy nominal value. When that adjusted figure clears the hurdle, the dynamic-pricing model has inverted and holding miles costs you.

If one-way award fees exceed the fee cap covered above or roundtrip London taxes exceed the total covered above including APD, reject the award and pay cash even at a higher cash price with heavy fees. According to Frequent Miler, the prior London sale structure applied to travel beginning on or after February 23, 2023 and complete by May 18, 2023, with roundtrip purchase not required, which shows how United decouples directionality from eligibility. The lesson for 2026: always price the fee load directionally. An apparently cheap mileage price with a heavy one-way fee load is not cheap.

If you are within striking distance of Premier Silver or Gold before Dec 15, always pay cash regardless of cents-per-mile to lock status. This is behavioral economics, not redemption math. Status yields roughly a year of forward benefits — upgrades, free bags, better rebooking — that a single one-off redemption cannot match. Forfeiting elite earnings to save a few hundred dollars in cash is a negative expected-value trade when the threshold is in sight.

If departure is within the advance window covered above and only inflated Everyday awards remain, pay cash up to a higher cash level before burning miles at the inflated rate. Everyday pricing roughly doubles the mileage cost without reducing fees, so the per-mile yield collapses. In most cases the inflated award is United's way of telling you cash inventory is still available in a lower fare bucket — take the hint and keep your miles for a true saver reopening.

| Decision | Condition from sale history | Action and winner |
| --- | --- | --- |
| Bank miles default | Cash at low-season level, saver available | Pay cash, winner cash for flexibility |
| Burn trigger | Value hits 1.90 cents after fees | Burn miles, winner award |
| Fee reject | Cash at higher level with heavy fees | Pay cash, winner cash |
| Status lock | Within striking distance before Dec 15 | Pay cash, winner cash regardless |
| Late departure | Only inflated awards, cash to higher level | Pay cash, winner cash |
| Eligibility check | According to Frequent Miler, travel beginning on or after February 23, 2023 | Start of sale window defines comparison set |
| Eligibility check | According to Frequent Miler, complete by May 18, 2023 | End of window, after that re-price cash vs miles |

## What to do next

| Step | Action | Why it matters |
| --- | --- | --- |
| 1 | Check United EWR-LHR economy cash fares for your specific dates. | If the price is $450, you have a strong baseline to compare against award costs. |
| 2 | Search for the 30,000-mile saver award using Point Me to the Plane tools. | Newark has ample saver availability, but you must verify if inventory is open before deciding. |
| 3 | Calculate total award cost by adding taxes and fees (starting at $5.60 one-way or $194.85 roundtrip) to the 30,000 miles. | Awards are never free; bundled fees on cash fares vs. static award taxes distort the perceived savings. |
| 4 | Apply the decision rule: Pay the $450 cash fare unless the saver award has minimal one-way fees AND the cash price exceeds the breakeven level. | This threshold ensures you only burn miles when the cash alternative is significantly more expensive than the $390 value benchmark. |
| 5 | If paying cash, book United K-class economy to earn redeemable miles and PQP per dollar spent. | You bank status progress and additional miles (e.g., miles earned on a $450 ticket) instead of spending 30,000 miles for zero progression. |
| 6 | Hold your MileagePlus balance for premium cabin redemptions starting at 80,000 miles each way. | Larger balances valued at $800 yield higher upside in premium cabins than burning miles on low-value economy seats. |

## Frequently Asked Questions

**At what mile valuation does the $450 cash fare become superior to burning miles for this route?**

A $450 cash fare tops $390 in mile value, favoring a paid ticket and holding miles.

**What are the specific tax and fee costs associated with booking an award ticket instead of paying cash?**

Award taxes and fees start at $5.60 with roundtrip charges starting at $194.85, cutting redemption savings.

**How does booking a cash ticket impact United Premier status progression compared to using miles?**

Booking this fare earns redeemable miles and Premium Qualifying Points per dollar spent toward Premier status, whereas award tickets earn zero PQP/PQF.

**Why is adding a domestic feeder flight like DCA-EWR detrimental to securing a saver award rate?**

Married-segment control ensures the saver level applies only to the EWR-LHR nonstop, so adding a United Express feeder reprices the entire itinerary higher.

**What is the recommended alternative use for miles when economy awards offer poor value on this route?**

Premium options from 80,000 miles each way offer stronger upside than low-priced economy awards.

**How does FinlyWealth value a large balance of United MileagePlus points for flight redemptions?**

FinlyWealth values a larger balance at $800, showing value depends on redeeming for high-value trips.

## Quick answers

| Why does cash beat miles on cheap Newark to London fares? | A $450 cash fare tops $390 in mile value, favoring a paid ticket and holding miles. |
| --- | --- |
| What did Frequent Miler document for award pricing? | Frequent Miler documented award pricing at 23,000 miles plus $5.60, which leaves cash looking stronger when the value of miles is set at $390. |
| Should you burn or hold miles when the cash fare is cheap? | Holding miles for another trip can beat burning them on a cheap cash fare. |
| Why pay cash to preserve miles for premium cabin use? | Paying cash preserves miles for premium cabin use, where Thrifty Traveler lists options from 80,000 miles each way that deliver far more upside than a low-priced economy redemption. |
| How do roundtrip charges affect award savings? | The same sale listed roundtrip charges starting at $194.85, so an award is never free even when saver space appears. |

Also worth reading: **Navigating the New Era of Airline Dynamic Pricing What Travelers Need to Know in 2024**: [Navigating the New Era of](https://sarahcheapflights.com/blog/navigating_the_new_era_of_airline_dynamic_pricing_what_trave.php) · **Analyzing 2024's Fare Fluctuations How Dynamic Pricing Impacts Low-Cost Air Tickets**: [Analyzing 2024's Fare Fluctuations How](https://sarahcheapflights.com/blog/analyzing_2024_s_fare_fluctuations_how_dynamic_pricing_impac.php) · **Ethiopian Airlines Introduces Dynamic Pricing Model What Passengers Need to Know**: [Ethiopian Airlines Introduces Dynamic Pricing](https://sarahcheapflights.com/blog/ethiopian_airlines_introduces_dynamic_pricing_model_what_pas.php)

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