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

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

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

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

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