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

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

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

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

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