s-s-s-s s - s-s-s- s-s-s-s s-- s - s- s-s-s-s s - s-s-s- s-s-s-s s-- s - s- s-s-s-s s - s-s-s- s-s-s-s s - s-s-s- s-s-s-s s- s-s--- s-s-s-s- s-s-s-s- s-s-s-s- s-s-s-s- s-s-s-s- s-s-s-s- s-s-s-s- s - s - s- s-s-s-s s - s-s-s s - s-s-s s - s-s-s- s-s - s-s-- s-s - s-s - s-s---- s-s-s-s- s-s-s-s- s-s-s-s- s-s-s-s- s-s-s-s- s-s-s-s- s-s-s-s- s - s - s- s-s-s-s s - s-s-s s - s-s-s s - s-s-s- s-s - s-s-- s-s - s-s - s-s---- s-s-s-s s - s-s-s- s - s--s - s-s-s- s-s-s-s s - s-s-s- s-s - s-s- s - s-s- s-s-s-s s - s-s-s- s - s--s - s-s-s- s-s-s-s s - s-s-s- s-s - s-s- s - s-s- s-s-s-s- s-s-s-s- s-s-s-s s - s-s-s- s - s--s - s-s-s- s-s-s-s s - s-s-s- s-s - s-s- s - s-s- s-s-s-s s - s-s-s- s - s--s - s-s-s- s-s-s-s s - s-s-s- s-s-s-s- s-s-s-s- s-s-s-s s - s-s-s- s-s-s-s s - s-s-s- s - s--s-- s--- s s s---s---- s---- s