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

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

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

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

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