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

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

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

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

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