////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page56.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C _E (^ 5 1/2) 6 8 2)

Problem:
(= (cdot #[[27 18 28 18 28 45 90 45]
           [23 53 60 28 74 71 35 26]
           [62 49 77 57 24 70 93 69]
           [99 59 57 49 66 96 76 27]
           [72 40 76 63 3 53 54 75]
           [94 57 13 82 17 85 25 16]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]])
   #[[22] [36] [6] [79] [77] [49]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]]
   #[[599003594]
     [2957346512]
     [-1169381370]
     [492158164]
     [1327446637]
     [-3475767429]
     [481121267]
     [675969147]])