(3)[7]
(3)[7] 1  0
 3  7  1 [0](1) 0
 3  7  1  0 [1] 0 (1)
(3) 7  1  0  1  0 [1] 2
 3  7  1  0 (1) 0  1  2 [4]
 3  7  1 [0] 1  0 (1) 2  4  5
 3  7  1  0 [1] 0  1  2 (4) 5  1
 3 (7) 1  0  1  0 [1] 2  4  5  1  5
 3  7  1  0  1  0  1  2 [4](5) 1  5  8
 3 (7) 1  0  1  0  1  2  4  5  1  5  8 [9]
 3  7  1  0  1  0  1 [2] 4 (5) 1  5  8  9  1  6
 3  7  1  0  1  0  1  2  4  5 [1] 5  8  9  1 (6) 7
 3  7  1  0 (1) 0  1  2  4  5  1  5 [8] 9  1  6  7  7
 3  7 [1] 0  1  0 (1) 2  4  5  1  5  8  9  1  6  7  7  9
 3  7  1  0 [1] 0  1  2 (4) 5  1  5  8  9  1  6  7  7  9  2
 3  7  1  0  1  0 [1] 2  4  5  1  5  8 (9) 1  6  7  7  9  2  5
(3) 7  1  0  1  0  1  2 [4] 5  1  5  8  9  1  6  7  7  9  2  5  1  0
 3  7  1  0 (1) 0  1  2  4  5  1  5  8 [9] 1  6  7  7  9  2  5  1  0  7
 3  7  1  0  1  0 (1) 2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0 [7] 1  0
 3  7  1  0 [1] 0  1  2 (4) 5  1  5  8  9  1  6  7  7  9  2  5  1  0  7  1  0  8
 3  7  1  0  1  0 [1] 2  4  5  1  5  8 (9) 1  6  7  7  9  2  5  1  0  7  1  0  8  5
 3  7  1  0  1  0  1  2 [4] 5  1  5  8  9  1  6  7  7  9  2  5  1  0 (7) 1  0  8  5  1  0
 3  7  1  0  1  0  1  2  4  5  1  5  8 [9] 1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1 (1)
 3  7  1  0  1  0  1  2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0 [7] 1  0  8  5  1  0  1  1  1 (0)
 3  7  1  0  1  0  1  2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1 [1] 1  0 (7)
 3  7  1  0  1  0 (1) 2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1  1  1 [0] 7  8
 3  7  1  0  1  0  1  2 (4) 5  1  5  8  9  1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1  1  1  0 [7] 8  1
 3  7  1 [0] 1  0  1  2  4  5  1  5  8 (9) 1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1  1  1  0  7  8  1  1  1
 3  7  1  0 [1] 0  1  2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0 (7) 1  0  8  5  1  0  1  1  1  0  7  8  1  1  1  9
 3  7  1  0  1  0 [1] 2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1 (1) 1  0  7  8  1  1  1  9  8
 3  7  1  0  1  0  1  2 [4] 5  1  5  8  9  1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1  1  1 (0) 7  8  1  1  1  9  8  2
 3  7  1  0  1  0  1  2  4  5  1  5  8 [9] 1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1  1  1  0 (7) 8  1  1  1  9  8  2  4
 3  7  1  0  1  0  1  2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0 [7] 1  0  8  5  1  0  1  1  1  0  7  8  1  1  1  9  8  2 (4) 1  6
(3) 7  1  0  1  0  1  2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1 [1] 1  0  7  8  1  1  1  9  8  2  4  1  6  1  1
 3  7  1  0 (1) 0  1  2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1  1  1 [0] 7  8  1  1  1  9  8  2  4  1  6  1  1  4
 3  7  1  0  1  0 (1) 2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1  1  1  0 [7] 8  1  1  1  9  8  2  4  1  6  1  1  4  1
 3  7  1  0  1  0  1  2 (4) 5  1  5  8  9  1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1  1  1  0  7  8  1  1  1  9  8  2 [4] 1  6  1  1  4  1  8
 3  7  1  0  1  0  1  2  4  5  1  5  8 (9) 1  6  7  7  9  2  5  1  0  7  1  0  8  5  1  0  1  1  1  0  7  8  1  1  1  9  8  2  4  1  6  1  1 [4] 1  8  8
 3  7  1  0  1  0  1  2  4  5  1  5  8  9  1  6  7  7  9  2  5  1  0 (7) 1  0  8  5  1  0  1  1  1  0  7  8  1  1  1  9  8  2  4  1  6  1  1  4  1  8  8  1 [3]