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