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