////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page41.txt
//
////////////////////////////////////////////////////////////////

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

Problem:
(= (cdot #[[1850 8157 1768 925 6179 1175 3241]
           [3986 5019 3470 3966 5509 4009 2988]
           [3515 8277 8588 1541 1261 5967 592]
           [1841 4132 8730 6671 1491 351 1580]
           [7339 5284 1640 8998 7311 7677 4131]
           [5607 8724 1383 8621 4740 9231 2415]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]])
   #[[2236] [679] [7749] [9789] [6964] [917]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]]
   #[[-548678835445571760897]
     [-70230347991470746372]
     [-24854853309265710214]
     [-183269950487940230537]
     [-1295963422474170845296]
     [495143104331288451223]
     [2847071187556772245486]])