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

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

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

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

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