////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page53.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C (Log 5) (^ _E 2) 7 8 3)

Problem:
(= (cdot #[[160 943 791 243 410 37 460 75]
           [933 322 618 763 952 560 135 426]
           [851 772 191 264 789 147 417 898]
           [770 765 776 463 13 387 809 317]
           [961 79 996 630 302 171 556 289]
           [972 400 522 932 467 619 963 361]
           [661 746 370 572 755 217 963 749]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]])
   #[[738] [905] [609] [893] [65] [22] [723]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]]
   #[[-696065104112252537]
     [1319189111701481336]
     [-638492215796086947]
     [4687379221687597769]
     [-2059802075483990495]
     [-2375361650261249205]
     [-2047048843757821727]
     [1432519683797097893]])