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

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

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

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

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