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