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

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

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

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

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