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

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

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

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

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