(0 19 17)(1 20 4)(2 12 9)(3 7 5)(6 14 13)(8 15 10)(11 18 16)
ALLOWS (11/8)-SEQUENCE
1: (6 14 17)
(0 19 17 13 6)(1 20 4)(2 12 9)(3 7 5)(8 15 10)(11 18 16)(14)
2: (11 18 16)
(0 19 17 13 6)(1 20 4)(2 12 9)(3 7 5)(8 15 10)(11)(14)(16)(18)
3: (2 12 9)
(0 19 17 13 6)(1 20 4)(2)(3 7 5)(8 15 10)(9)(11)(12)(14)(16)(18)
4: (0 13 6)
(0)(1 20 4)(2)(3 7 5)(6)(8 15 10)(9)(11)(12)(13 19 17)(14)(16)(18)