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

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

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

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

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