(0 20 17 6 4)(1 18 12 11 8)(2 21 3)(5 10 7)(9 15 13)(14 19 16)
ALLOWS (11/8)-SEQUENCE
1: (0 1 4)
(0)(1 20 17 6 4 18 12 11 8)(2 21 3)(5 10 7)(9 15 13)(14 19 16)
2: (1 6 8)
(0)(1)(2 21 3)(4 18 12 11 8)(5 10 7)(6 20 17)(9 15 13)(14 19 16)
3: (5 10 7)
(0)(1)(2 21 3)(4 18 12 11 8)(5)(6 20 17)(7)(9 15 13)(10)(14 19 16)
4: (4 18 8)
(0)(1)(2 21 3)(4)(5)(6 20 17)(7)(8 12 11)(9 15 13)(10)(14 19 16)(18)