////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page26.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C (Log 5) (Sec 1) 7 8 2)

Problem:
(= (cdot #[[16 9 43 79 12 43 41 0]
           [37 46 0 75 93 33 22 61]
           [87 63 95 25 60 13 54 26]
           [85 17 72 19 12 64 78 91]
           [47 41 78 98 77 7 65 77]
           [64 63 1 33 87 80 93 17]
           [96 10 79 99 66 30 30 21]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]])
   #[[18] [50] [81] [57] [17] [68] [9]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]]
   #[[11617158774112]
     [10793581639462]
     [-11866452756754]
     [8530569708626]
     [-14441144282458]
     [-10079567703829]
     [3903434855419]
     [387610286417]])