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