(0 6 4)(1 8 3)(2 10 9)(5 11 7)
ALLOWS (11/8)-SEQUENCE
1: (2 4 9)
(0 6 4 10 9)(1 8 3)(2)(5 11 7)
2: (0 6 9)
(0)(1 8 3)(2)(4 10 9)(5 11 7)(6)
3: (5 11 7)
(0)(1 8 3)(2)(4 10 9)(5)(6)(7)(11)
4: (1 8 3)
(0)(1)(2)(3)(4 10 9)(5)(6)(7)(8)(11)