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

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

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

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

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