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

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

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

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

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