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