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