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