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