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

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

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

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

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