Starting with polynomial:
P : 2048*t^11 - 56320*t^9 + 506880*t^7 - 1774080*t^5 + 2217600*t^3 - 665280*t
Extension levels are: 11 24
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Trying to find an order 24 Kronrod extension for:
P1 : 2048*t^11 - 56320*t^9 + 506880*t^7 - 1774080*t^5 + 2217600*t^3 - 665280*t
Solvable: 1
-------------------------------------------------
Ending with final polynomial:
P : 2048*t^35 - 3118305569991680/6375988649*t^33 + 5591653362298122240/108391807033*t^31 - 344899531108985712640/108391807033*t^29 + 13883281814006715756800/108391807033*t^27 - 2698246058488692190807680/758742649231*t^25 + 53255680731869214121776000/758742649231*t^23 - 758939064990274269060696000/758742649231*t^21 + 1121686400440409147646984000/108391807033*t^19 - 494146946972133685741500000/6375988649*t^17 + 2649900780184621449871836000/6375988649*t^15 - 9976214721250138701452805000/6375988649*t^13 + 25568559164452668031650571875/6375988649*t^11 - 85212373429725168857069750625/12751977298*t^9 + 86110729733479662892487503125/12751977298*t^7 - 94408216665502970587087355625/25503954596*t^5 + 183753985071314266047398334375/204031636768*t^3 - 24982862807499147415342603125/408063273536*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: 0
  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:
| (5.6024868496763045431 - 1.3904853765915102729e-305j)  +/-  (4.07e-120, 4.07e-120j)
| (2.3996681419201858599 + 4.2523602028311639229e-310j)  +/-  (9.71e-121, 9.71e-121j)
| (-5.0667713292000953674 + 2.5107320165473918488e-314j)  +/-  (1.09e-119, 1.09e-119j)
| (-3.2965218416807157722 + 3.6587395994827709319e-313j)  +/-  (3.75e-119, 3.75e-119j)
| (-6.2002236741369409776 + 2.7766439692087213322e-315j)  +/-  (1.29e-120, 1.29e-120j)
| (6.2002236741369409776 + 2.8060078717092343129e-312j)  +/-  (1.33e-120, 1.33e-120j)
| (6.9183460840193227279 - 1.2522973230695991081e-317j)  +/-  (1.44e-121, 1.44e-121j)
| (4.5712984677833726192 + 1.6768091646753078059e-329j)  +/-  (1.71e-119, 1.71e-119j)
| (-3.6684708465595825185 - 2.602980745560465072e-343j)  +/-  (2.79e-119, 2.79e-119j)
| (5.0667713292000953674 - 1.9283078604067043149e-352j)  +/-  (9.77e-120, 9.77e-120j)
| (2.0259480158257553352 + 2.7331773020822179135e-361j)  +/-  (1.9e-121, 1.9e-121j)
| (-5.6024868496763045431 - 1.1183698077660530322e-362j)  +/-  (4.39e-120, 4.39e-120j)
| (-2.3996681419201858599 + 1.0995220686128601309e-362j)  +/-  (1.04e-120, 1.04e-120j)
| (-1.3265570844949328559 + 5.1045865551602866627e-366j)  +/-  (4.11e-123, 4.11e-123j)
| (0.99089189970790631477 + 4.1856085807438366851e-366j)  +/-  (4.2e-124, 4.2e-124j)
| (1.3265570844949328559 - 1.3935795727364495552e-364j)  +/-  (4.17e-123, 4.17e-123j)
| (-4.1059061135517911345 - 4.3543718492308204237e-361j)  +/-  (2.57e-119, 2.57e-119j)
| (-6.9183460840193227279 - 7.4448020115451268447e-366j)  +/-  (1.49e-121, 1.49e-121j)
| (-0.99089189970790631477 - 4.7719510358595558807e-368j)  +/-  (4.78e-124, 4.78e-124j)
| (-3.1117940003153711081 - 5.4019869804367501721e-363j)  +/-  (3.01e-119, 3.01e-119j)
| (4.1059061135517911345 - 2.3731798736135138075e-370j)  +/-  (2.47e-119, 2.47e-119j)
| (2.7832900997816517708 - 1.4565043002315292447e-383j)  +/-  (6.17e-120, 6.17e-120j)
| (3.6684708465595825185 + 6.7394270624929335522e-394j)  +/-  (2.85e-119, 2.85e-119j)
| (-2.7832900997816517708 + 6.3333876934315393e-409j)  +/-  (6.14e-120, 6.14e-120j)
| (-2.0259480158257553352 - 9.7690841501773259578e-412j)  +/-  (2.08e-121, 2.08e-121j)
| (-4.5712984677833726192 + 1.2545069606477714351e-409j)  +/-  (1.82e-119, 1.82e-119j)
| (0.65680956688209976502 - 3.5720627380781560908e-415j)  +/-  (3.83e-125, 3.83e-125j)
| (1.6689249958767441292 - 1.8124288324791202752e-411j)  +/-  (3.17e-122, 3.17e-122j)
| (3.2965218416807157722 - 2.2437242128048870122e-408j)  +/-  (3.77e-119, 3.77e-119j)
| (-0.65680956688209976502 + 4.7199047784879800531e-428j)  +/-  (4.14e-125, 4.14e-125j)
| (2.7468074442488574239e-433 + 2.9211636120840672459e-433j)  +/-  (1.4e-431, 1.4e-431j)
| (3.1117940003153711081 + 2.003244020256144221e-421j)  +/-  (2.72e-119, 2.72e-119j)
| (0.32606459913561712451 - 7.9802194198013737489e-435j)  +/-  (3.01e-126, 3.01e-126j)
| (-0.32606459913561712451 - 1.5255067514442018658e-434j)  +/-  (2.44e-126, 2.44e-126j)
| (-1.6689249958767441292 - 1.3916032208025574599e-432j)  +/-  (3.1e-122, 3.1e-122j)
-------------------------------------------------
The weights are:
| (7.4001599831436657212e-15 + 6.9106041832526714115e-319j)  +/-  (4.3e-33, 9.06e-93j)
| (0.00067814629053937105923 - 1.3864879806046668303e-313j)  +/-  (7.53e-21, 1.59e-80j)
| (2.0533181395663613582e-12 - 2.3019512313803975309e-319j)  +/-  (2.17e-32, 4.57e-92j)
| (2.9492604798427669545e-06 - 1.6673539714179262916e-314j)  +/-  (9.65e-27, 2.03e-86j)
| (7.3032279627418999262e-18 - 1.1871857809430583295e-322j)  +/-  (1.79e-35, 3.78e-95j)
| (7.3032279627418999262e-18 + 2.9182627654115505482e-321j)  +/-  (1.23e-35, 2.58e-95j)
| (7.6237640735921809555e-22 - 7.1479273713702501661e-324j)  +/-  (1.17e-37, 2.48e-97j)
| (2.2736578981173938961e-10 + 6.835524495436466047e-317j)  +/-  (1.41e-32, 2.97e-92j)
| (3.3901611997545057739e-07 + 1.2631350862774508123e-315j)  +/-  (6.4e-31, 1.35e-90j)
| (2.0533181395663613582e-12 - 6.1077571881089383181e-318j)  +/-  (1.6e-33, 3.36e-93j)
| (0.0034039498913314974043 + 6.5690672228503986224e-313j)  +/-  (8.38e-25, 1.77e-84j)
| (7.4001599831436657212e-15 + 7.1532382371401066488e-321j)  +/-  (2.05e-36, 4.33e-96j)
| (0.00067814629053937105923 + 1.6814429267848713035e-313j)  +/-  (3.68e-28, 7.76e-88j)
| (0.032774507358677052926 - 2.171463321737381552e-312j)  +/-  (2.27e-23, 4.79e-83j)
| (0.070739902686953737531 + 3.7670151941922870516e-312j)  +/-  (3.72e-23, 7.84e-83j)
| (0.032774507358677052926 - 1.8474649344364188519e-312j)  +/-  (1.45e-23, 3.05e-83j)
| (1.2161220467055156767e-08 - 8.305267821043666371e-317j)  +/-  (5.16e-33, 1.09e-92j)
| (7.6237640735921809555e-22 + 6.20363937072076194e-325j)  +/-  (1.11e-40, 2.35e-100j)
| (0.070739902686953737531 + 3.7788661047411399577e-312j)  +/-  (1.56e-25, 3.3e-85j)
| (7.5893769816228244869e-06 + 3.9127359817806318476e-314j)  +/-  (3.4e-30, 7.17e-90j)
| (1.2161220467055156767e-08 - 8.0238529303518132175e-316j)  +/-  (1.14e-34, 2.4e-94j)
| (9.2903214205762062771e-05 - 6.0725475031675524681e-313j)  +/-  (4.51e-32, 9.5e-92j)
| (3.3901611997545057739e-07 + 9.8986955860772608852e-315j)  +/-  (3.44e-34, 7.25e-94j)
| (9.2903214205762062771e-05 - 7.0351754050392411556e-314j)  +/-  (1.06e-31, 2.23e-91j)
| (0.0034039498913314974043 - 4.3864669399194822427e-313j)  +/-  (5.28e-31, 1.11e-90j)
| (2.2736578981173938961e-10 + 4.9602302012644861412e-318j)  +/-  (4.61e-36, 9.72e-96j)
| (0.12204600936049045143 - 5.8428080083958920452e-312j)  +/-  (5.89e-30, 1.24e-89j)
| (0.012139987171671673117 + 4.0755825979032563961e-313j)  +/-  (3.4e-31, 7.16e-91j)
| (2.9492604798427669545e-06 - 1.2015358820319667252e-313j)  +/-  (1.4e-34, 2.98e-94j)
| (0.12204600936049045143 - 5.6595572677754576034e-312j)  +/-  (1.46e-31, 3.21e-91j)
| (0.18331709387116899234 - 8.123283210626308451e-312j)  +/-  (1.11e-31, 2.42e-91j)
| (7.5893769816228244869e-06 + 2.8328701315861726648e-313j)  +/-  (2.31e-34, 4.81e-94j)
| (0.16645515704631753479 + 7.5225725161053104477e-312j)  +/-  (1.22e-31, 2.66e-91j)
| (0.16645515704631753479 + 7.3480458680269907325e-312j)  +/-  (3.21e-32, 7.36e-92j)
| (0.012139987171671673117 + 1.0544384652817659358e-312j)  +/-  (3.32e-33, 6.31e-93j)
