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