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

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

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

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

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