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

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

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

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

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