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