(0 18 8)(1 21 3)(2 9 7 6 4)(5 12 10)(11 15 13)(14 19 16)(17 22 20)
ALLOWS (11/8)-SEQUENCE
1: (0 1 8)
(0)(1 18 8 21 3)(2 9 7 6 4)(5 12 10)(11 15 13)(14 19 16)(17 22 20)
2: (3 8 21)
(0)(1 18 8)(2 9 7 6 4)(3)(5 12 10)(11 15 13)(14 19 16)(17 22 20)(21)
3: (2 9 7)
(0)(1 18 8)(2 6 4)(3)(5 12 10)(7)(9)(11 15 13)(14 19 16)(17 22 20)(21)
4: (1 18 8)
(0)(1)(2 6 4)(3)(5 12 10)(7)(8)(9)(11 15 13)(14 19 16)(17 22 20)(18)(21)