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