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