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