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