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