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

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

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

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

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