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