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