(0 7 6)(1 11 8 4 2)(3 10 5 12 9)
ALLOWS (11/8)-SEQUENCE
1: (0 1 6)
(0)(1 7 6 11 8 4 2)(3 10 5 12 9)
2: (2 6 11)
(0)(1 7 6)(2 8 4)(3 10 5 12 9)(11)
3: (3 12 9)
(0)(1 7 6)(2 8 4)(3)(5 12 10)(9)(11)
4: (2 8 4)
(0)(1 7 6)(2)(3)(4)(5 12 10)(8)(9)(11)