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

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

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

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

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