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