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