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

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

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

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

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