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