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