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

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

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

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

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