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