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