ii                                        ii
 
ii sssss kk   k  ooooooo rrrrrr   ppppppp ii  tttttttttt  xx       xx
ii s     kk  k   o     o rr   r   p     p ii      tt       xx     xx
ii s     kkkk    o     o rr   r   p     p ii      tt        xx   xx
ii sssss kkkk    o     o rrrrrr   ppppppp ii      tt         xx xx
ii     s kk  k   o     o rr   r   p       ii      tt          xx          
ii     s kk   k  o     o rr    r  p       ii      tt         xx xx
ii sssss kk    k ooooooo rr     r p       ii      tt        xx   xx           
                                                           xx     xx