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