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

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

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

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

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