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

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

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

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

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