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