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

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

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

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

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