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