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