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

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

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

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

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