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