////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page58.txt
//
////////////////////////////////////////////////////////////////

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

Problem:
(= (cdot #[[1259 9210 4989 4873 1647 6721 607]
           [2782 2835 570 2514 6470 1507 9800]
           [8197 5112 1552 9967 6513 9594 8372]
           [9396 5624 3625 5094 1543 1025 6035]
           [6156 6525 9399 240 4061 3737 2284]
           [5911 304 2693 5524 6960 6426 1662]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]])
   #[[1609] [4379] [1243] [4100] [3746] [75]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]]
   #[[-21651451273782293985082]
     [-25766985014537733093624]
     [37418799930240939239875]
     [30310270969239335754749]
     [-15182416651341196172416]
     [-8012585049973752429939]
     [14904102468108140191858]])