(0 7 4)(1 21 19 14 5)(2 17 3)(6 16 13 11 8)(9 12 10)(15 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 3 4)
(0)(1 21 19 14 5)(2 17 3 7 4)(6 16 13 11 8)(9 12 10)(15 20 18)
2: (3 7 17)
(0)(1 21 19 14 5)(2 17 4)(3)(6 16 13 11 8)(7)(9 12 10)(15 20 18)
3: (5 19 14)
(0)(1 21 19)(2 17 4)(3)(5)(6 16 13 11 8)(7)(9 12 10)(14)(15 20 18)
4: (6 16 13)
(0)(1 21 19)(2 17 4)(3)(5)(6 11 8)(7)(9 12 10)(13)(14)(15 20 18)(16)