////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page54.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C (Sin 1) (^ _E 2) 6 8 2)

Problem:
(= (cdot #[[84 14 70 98 48 7 89 65]
           [6 65 25 2 32 16 30 29]
           [89 99 62 25 63 6 7 98]
           [37 10 65 67 27 51 70 99]
           [91 91 4 4 39 12 39 66]
           [89 48 63 97 43 54 30 52]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]])
   #[[73] [89] [5] [60] [98] [93]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7] [x_8]]
   #[[-1063986914]
     [7865931338]
     [3522996560]
     [4950775623]
     [-17739375752]
     [-5667716298]
     [657722420]
     [1232197641]])