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