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

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

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

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

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