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

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

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

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

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