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