Starting with polynomial:
P : t^9 - 36*t^7 + 378*t^5 - 1260*t^3 + 945*t
Extension levels are: 9 14
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Trying to find an order 14 Kronrod extension for:
P1 : t^9 - 36*t^7 + 378*t^5 - 1260*t^3 + 945*t
Solvable: 1
-------------------------------------------------
Ending with final polynomial:
P : t^23 - 3309583/18099*t^21 + 82235713/6033*t^19 - 1089441955/2011*t^17 + 76126932098/6033*t^15 - 358985675230/2011*t^13 + 3094433932590/2011*t^11 - 15882937980910/2011*t^9 + 46161180640575/2011*t^7 - 70208873169435/2011*t^5 + 50216778386775/2011*t^3 - 12961617443775/2011*t
-------------------------------------------------
Computing nodes and weights
  current precision for roots: 53
  current precision for roots: 106
 current precision for weights: 53
Linear system for weights solvable: 0
  current precision for roots: 106
  current precision for roots: 212
 current precision for weights: 106
Linear system for weights solvable: 1
  current precision for roots: 212
  current precision for roots: 424
 current precision for weights: 212
Linear system for weights solvable: 1
Sufficient bits for target precision reached
-------------------------------------------------
The nodes are:
| (3.7621859351467819782 - 1.9684180867037190762e-439j)  +/-  (2.51e-122, 2.51e-122j)
| (-4.5127458633997826676 + 3.0456082417461693978e-445j)  +/-  (2.67e-122, 2.67e-122j)
| (5.3503187718549218936 + 1.6162276865708199565e-445j)  +/-  (1.94e-122, 1.94e-122j)
| (7.3987869910806868942 + 2.7803546529672675541e-448j)  +/-  (1.98e-123, 1.98e-123j)
| (6.284301980867298391 - 5.6314156178639734134e-448j)  +/-  (1.01e-122, 1.01e-122j)
| (4.5127458633997826676 - 1.6413960297478135998e-453j)  +/-  (2.52e-122, 2.52e-122j)
| (-6.284301980867298391 + 1.6420111997910988549e-457j)  +/-  (1.01e-122, 1.01e-122j)
| (-1.0232556637891325248 + 2.5590043560780587345e-459j)  +/-  (1.16e-124, 1.16e-124j)
| (-2.7388322698689555103 - 1.6568806414450932818e-456j)  +/-  (7.31e-123, 7.31e-123j)
| (-7.3987869910806868942 - 5.6398290313612371793e-463j)  +/-  (2.25e-123, 2.25e-123j)
| (1.0232556637891325248 - 2.65633111256193328e-464j)  +/-  (1e-124, 1e-124j)
| (-3.2054290028564699434 + 4.1488397472082664308e-462j)  +/-  (1.59e-122, 1.59e-122j)
| (3.2054290028564699434 - 2.2169855948979719605e-464j)  +/-  (1.6e-122, 1.6e-122j)
| (-2.0768479786778301065 - 8.7208406156385851412e-469j)  +/-  (8e-124, 8e-124j)
| (1.323547725164135155 - 2.1372477595534129778e-474j)  +/-  (2.2e-124, 2.2e-124j)
| (-6.5012773237126679403e-483 + 7.2041181154653887988e-483j)  +/-  (2.23e-481, 2.23e-481j)
| (2.0768479786778301065 + 1.9089608906857957885e-485j)  +/-  (8.59e-124, 8.59e-124j)
| (-1.323547725164135155 + 4.9246277373303760153e-492j)  +/-  (2.1e-124, 2.1e-124j)
| (-0.76977736021945725517 + 8.7294843636965144676e-495j)  +/-  (2.14e-125, 2.14e-125j)
| (2.7388322698689555103 - 8.7667831831137675239e-497j)  +/-  (6.76e-123, 6.76e-123j)
| (-5.3503187718549218936 - 5.1287619822934694188e-502j)  +/-  (1.91e-122, 1.91e-122j)
| (0.76977736021945725517 + 2.3109706996808506398e-506j)  +/-  (2.55e-125, 2.55e-125j)
| (-3.7621859351467819782 - 6.1218921931168194306e-505j)  +/-  (2.47e-122, 2.47e-122j)
-------------------------------------------------
The weights are:
| (0.00023130815483293746915 + 1.7100553679647721935e-442j)  +/-  (5.55e-41, 1.85e-101j)
| (1.2045500592141180674e-05 - 3.9604903977838118711e-445j)  +/-  (1.57e-43, 5.24e-104j)
| (2.1330166437068917157e-07 - 1.1042320658294561177e-445j)  +/-  (1.1e-44, 3.67e-105j)
| (6.6151970881461117516e-13 - 1.8472417383471107179e-449j)  +/-  (2.19e-48, 7.31e-109j)
| (1.0602905593092102526e-09 + 2.2464847672293549328e-447j)  +/-  (1.36e-46, 4.55e-107j)
| (1.2045500592141180674e-05 + 4.3665896903740685378e-444j)  +/-  (7.71e-44, 2.57e-104j)
| (1.0602905593092102526e-09 - 5.6397139477586471121e-448j)  +/-  (1.24e-49, 4.14e-110j)
| (-0.12993850184240794492 - 7.4113550081068326574e-441j)  +/-  (5.9e-37, 1.97e-97j)
| (0.005471491876880724984 + 1.1043568110607984448e-442j)  +/-  (1.07e-43, 3.56e-104j)
| (6.6151970881461117516e-13 + 6.0189279863000436246e-450j)  +/-  (1.52e-51, 5.07e-112j)
| (-0.12993850184240794492 - 1.2949085471790008603e-440j)  +/-  (9.83e-40, 3.3e-100j)
| (0.00099257386739664273711 - 3.9648584467701666872e-443j)  +/-  (6.34e-45, 2.12e-105j)
| (0.00099257386739664273711 - 4.9619090368977859038e-442j)  +/-  (9.22e-45, 3.1e-105j)
| (0.032632727683088633853 - 3.2855554061576117198e-442j)  +/-  (2.69e-43, 9.01e-104j)
| (0.15272011268303183966 + 6.1368933532626056417e-441j)  +/-  (6.73e-42, 2.26e-102j)
| (0.29184865144563866566 - 2.750923710179711531e-441j)  +/-  (6.83e-42, 2.3e-102j)
| (0.032632727683088633853 - 1.1383186604343433735e-441j)  +/-  (7.62e-44, 2.56e-104j)
| (0.15272011268303183966 + 2.9426712931842412759e-441j)  +/-  (1.57e-42, 5.22e-103j)
| (0.2919537019911492425 + 5.9819641932929352315e-441j)  +/-  (6.9e-42, 2.31e-102j)
| (0.005471491876880724984 + 7.0156319134187264603e-442j)  +/-  (8.84e-45, 3e-105j)
| (2.1330166437068917157e-07 + 1.9244829220852447359e-446j)  +/-  (1.75e-49, 5.89e-110j)
| (0.2919537019911492425 + 9.059612515163570475e-441j)  +/-  (1.45e-43, 6.55e-104j)
| (0.00023130815483293746915 + 6.0510828032386099679e-444j)  +/-  (6.18e-47, 1.97e-107j)
