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