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