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

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

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

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

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