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

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

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

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

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