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