////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page20.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C (^ 5 1/3) (^ 2 1/2) 6 7 4)

Problem:
(= (cdot #[[1709 9759 4667 6696 9893 5310 8872]
           [5438 6010 9868 551 1054 3054 9243]
           [8286 1707 4442 9592 504 1732 1625]
           [7187 100 2018 9002 2045 328 9390]
           [4540 1808 7197 5766 4680 785 3747]
           [1389 3894 4150 3233 3156 314 6226]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]])
   #[[1414] [2135] [6237] [3095] [488] [168]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]]
   #[[-21109334944359427205595]
     [-11922676717566661781983]
     [9604178367867486482776]
     [12363849821654721284269]
     [-11474425598174109150702]
     [19032747959899932625058]
     [4200948763939761032348]])