////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page35.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C (^ _E 1/2) (^ _Pi 2) 7 8 2)

Problem:
(= (cdot #[[16 48 72 12 70 70 1 28]
           [14 68 48 65 7 87 81 41]
           [63 57 16 53 77 61 0 71]
           [1 48 1 15 75 7 93 11]
           [64 6 61 2 11 94 21 56]
           [8 63 27 76 52 0 56 36]
           [66 43 0 28 66 63 77 56]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]])
   #[[98] [69] [60] [44] [1] [8] [93]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]]
   #[[182113124038]
     [393660046217]
     [53820865695]
     [-238974247558]
     [-169002782482]
     [-160639490000]
     [-19962783350]
     [9929224815]])