////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page21.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C (^ 5 1/2) (Log 2) 7 8 2)

Problem:
(= (cdot #[[22 36 6 79 77 49 97 89]
           [69 64 9 17 36 68 73 12]
           [76 23 54 40 61 83 59 61]
           [15 25 72 42 70 89 72 45]
           [41 5 20 92 56 37 80 48]
           [99 41 44 14 40 83 78 78]
           [22 74 96 95 8 17 61 50]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]])
   #[[69] [31] [47] [18] [5] [59] [94]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]]
   #[[-236609615940]
     [-31532875148]
     [-383484653368]
     [459170871006]
     [-781644095084]
     [895721901209]
     [-287906130427]
     [186405853713]])