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

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

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

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

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