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