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

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

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

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

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