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

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

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

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

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