////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page8.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C (^ _Pi 2) (Tan 1) 7 8 3)

Problem:
(= (cdot #[[986 960 440 108 935 861 883 449]
           [99 987 615 113 531 369 940 724]
           [79 62 641 334 937 622 4 482]
           [241 920 524 300 177 340 371 855]
           [223 182 402 591 377 402 314 407]
           [777 234 812 203 4 672 761 61]
           [767 798 519 766 99 39 985 620]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]])
   #[[155] [740] [772] [465] [490] [223] [50]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]]
   #[[13648269371668391540]
     [-41939448579866103615]
     [-19374702211233377339]
     [-24243637881634187779]
     [-5930492216350197873]
     [2888629293781480808]
     [19303800639622338762]
     [53364149968642892272]])