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

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

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

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

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