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

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

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

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

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