////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page5.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C _Pi (Cos 1) 7 8 3)

Problem:
(= (cdot #[[314 159 265 358 979 323 846 264]
           [338 327 950 288 419 716 939 937]
           [510 582 97 494 459 230 781 640]
           [628 620 899 862 803 482 534 211]
           [706 798 214 808 651 328 230 664]
           [709 384 460 955 58 223 172 535]
           [940 812 848 111 745 28 410 270]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]])
   #[[540] [302] [305] [868] [139] [717] [400]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]]
   #[[-80845086745872272256]
     [10707238756758161810]
     [41901575961281194836]
     [33490375892872728043]
     [27037194301752586953]
     [-107356644571727684477]
     [-4211700097461887126]
     [46815588387107607795]])