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