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

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

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

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

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