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