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