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