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