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

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

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

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

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