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

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

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

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

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