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