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

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

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

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

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