xxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxx
xxxxxx    f  xxxxx
xxxxm          xxx
xxxr     rrr    xx
xxxrrr   rrr    xx
xx  rrr     s   rx
xx  rrr     s   rx
xx   rrr    s    x
xx    rr  p      x
xx   sss         x
xx    ss         x
xx   mss         x
xxx   s        mxx
xxx             xx
xxxx  sss      xxx
xxxxxxrr     xxxxx
xxxxxxxxxxxxxxxxxx
