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

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

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

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

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