////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page61.txt
//
////////////////////////////////////////////////////////////////

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

Problem:
(= (cdot #[[6931 4718 559 9453 941 7232 1214]
           [5817 6568 755 13 4360 2552 5412]
           [680 94 9339 3621 9696 9471 5605]
           [8633 2699 6418 6875 4200 1481 205]
           [7068 5733 6855 2023 5758 1305 5703]
           [2670 7516 3507 5961 9307 2757 828]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]])
   #[[1732] [508] [756] [8877] [2935] [2744]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]]
   #[[-452432939305346423082]
     [-5925824335904692860791]
     [-5315111428448746700622]
     [6620965393915024688616]
     [3666006875034211687654]
     [-5794549001538153179192]
     [8182437601865361279728]])