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

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

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

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

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