xxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxx
xxxxxxx     m  rxxxxxx
xxxxxxrf       rrxxxxx
xxxxrrrr           xxx
xxxxrrrrr          xxx
xxx  rrrr       h   xx
xx   rrrr    m    fh x
xx   rrr     rrr   f x
xx f        rrrrr   rx
xx          rrrrr   rx
xxrr        rrrrr   rx
xxrr       p rrr     x
xxr             h    x
xx                   x
xx            rr     x
xxx          rrr    xx
xxxxrr       rr    xxx
xxxxrrr            xxx
xxxxxxr         hxxxxx
xxxxxxxr        xxxxxx
xxxxxxxxxxxxxxxxxxxxxx
