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

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

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

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

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