Starting with polynomial:
P : 1048576*t^20 - 99614720*t^18 + 3810263040*t^16 - 76205260800*t^14 + 866834841600*t^12 - 5721109954560*t^10 + 21454162329600*t^8 - 42908324659200*t^6 + 40226554368000*t^4 - 13408851456000*t^2 + 670442572800
Extension levels are: 20
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Ending with final polynomial:
P : 1048576*t^20 - 99614720*t^18 + 3810263040*t^16 - 76205260800*t^14 + 866834841600*t^12 - 5721109954560*t^10 + 21454162329600*t^8 - 42908324659200*t^6 + 40226554368000*t^4 - 13408851456000*t^2 + 670442572800
-------------------------------------------------
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:
| (2.7888060584281304805 - 1.6388149971404892316e-328j)  +/-  (2.81e-123, 2.81e-123j)
| (-3.3478545673832163269 + 2.8718868024196464779e-343j)  +/-  (4.56e-123, 4.56e-123j)
| (4.6036824495507442731 + 1.1132225727917710102e-357j)  +/-  (3.62e-123, 3.62e-123j)
| (0.2453407083009012499 + 8.4513358251097134537e-372j)  +/-  (5.39e-127, 5.39e-127j)
| (3.3478545673832163269 - 5.3748937400532151789e-377j)  +/-  (4.9e-123, 4.9e-123j)
| (-1.2340762153953230079 - 4.7422292033476776964e-380j)  +/-  (4.63e-125, 4.63e-125j)
| (-5.387480890011232862 + 5.1018779721894791736e-383j)  +/-  (8e-124, 8e-124j)
| (-4.6036824495507442731 + 6.6487750598024851001e-383j)  +/-  (3.18e-123, 3.18e-123j)
| (-1.7385377121165862068 + 4.4004898517189858032e-383j)  +/-  (2.47e-124, 2.47e-124j)
| (5.387480890011232862 + 4.6233967612383754771e-382j)  +/-  (8.43e-124, 8.43e-124j)
| (0.73747372854539435871 + 1.1634755851126548845e-385j)  +/-  (5.3e-126, 5.3e-126j)
| (2.2549740020892755231 - 1.2095102793824852315e-389j)  +/-  (1.17e-123, 1.17e-123j)
| (-0.2453407083009012499 + 3.6911324444045569809e-394j)  +/-  (5.39e-127, 5.39e-127j)
| (-3.9447640401156252104 - 3.0420821075007963991e-396j)  +/-  (6.33e-123, 6.33e-123j)
| (-2.7888060584281304805 - 1.264348308593239437e-396j)  +/-  (3.04e-123, 3.04e-123j)
| (-2.2549740020892755231 + 1.6009161898764289847e-397j)  +/-  (9.21e-124, 9.21e-124j)
| (1.7385377121165862068 + 4.7959216349176603913e-398j)  +/-  (2.68e-124, 2.68e-124j)
| (3.9447640401156252104 - 1.8152313867298734275e-406j)  +/-  (6.14e-123, 6.14e-123j)
| (-0.73747372854539435871 + 5.1220299924674563448e-416j)  +/-  (3.85e-126, 3.85e-126j)
| (1.2340762153953230079 - 6.2193929698859454662e-436j)  +/-  (3.48e-125, 3.48e-125j)
-------------------------------------------------
The weights are:
| (0.0001288262799619294494 + 5.8877953870310199e-332j)  +/-  (5.14e-47, 6.5e-108j)
| (4.4021210902308528331e-06 + 6.3596182758636483413e-334j)  +/-  (2.42e-49, 3.06e-110j)
| (2.4820623623151786456e-10 + 1.6146985528647442457e-335j)  +/-  (1.1e-51, 1.38e-112j)
| (0.26079306344955485915 - 3.7346882478999296199e-331j)  +/-  (2.06e-43, 2.6e-104j)
| (4.4021210902308528331e-06 + 6.9809360804176408589e-333j)  +/-  (8.06e-49, 1.02e-109j)
| (0.061506372063976906552 + 1.1467134189517820015e-331j)  +/-  (2.05e-43, 2.58e-104j)
| (1.2578006724379270154e-13 - 8.0682983509110080051e-338j)  +/-  (3.85e-54, 4.86e-115j)
| (2.4820623623151786456e-10 + 3.964129642151136654e-336j)  +/-  (7.08e-53, 8.95e-114j)
| (0.01399783744710100335 - 4.8609277160505586314e-332j)  +/-  (1.68e-47, 2.12e-108j)
| (1.2578006724379270154e-13 - 2.5385524075930927027e-337j)  +/-  (7.87e-55, 9.95e-116j)
| (0.16173933398399996172 + 3.6467329669474119899e-331j)  +/-  (8.35e-46, 1.05e-106j)
| (0.0018301031310804927956 - 1.4906143413553359589e-331j)  +/-  (2.45e-49, 3.1e-110j)
| (0.26079306344955485915 + 3.1307154473286453735e-331j)  +/-  (5.65e-46, 7.14e-107j)
| (6.1274902599829475405e-08 - 6.8379841823535486693e-335j)  +/-  (5.15e-52, 6.5e-113j)
| (0.0001288262799619294494 - 3.7851760790140067365e-333j)  +/-  (1.27e-50, 1.6e-111j)
| (0.0018301031310804927956 + 1.5776614156571270021e-332j)  +/-  (5.47e-50, 6.89e-111j)
| (0.01399783744710100335 + 2.095377899526032714e-331j)  +/-  (7.02e-50, 8.64e-111j)
| (6.1274902599829475405e-08 - 3.9831937279757356796e-334j)  +/-  (7.29e-53, 9.48e-114j)
| (0.16173933398399996172 - 2.1214032026564726249e-331j)  +/-  (3.58e-49, 5.32e-110j)
| (0.061506372063976906552 - 2.9671348414190469029e-331j)  +/-  (1.6e-49, 1.81e-110j)
