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

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

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

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

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