xxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxx
xxxxxx       xxxxx
xxxxr sssf  ff xxx
xxxr   fssf  m  xx
xxx  h  rr      xx
xxr m  rrr    m  x
xx  frrrr        x
xx f rrr         x
xxs        p f hfx
xxs  f f         x
xx             m x
xxf  rrr         x
xxx mrrrr hm   rxx
xxx   rrr  h hhrxx
xxxxf rrr  m h xxx
xxxxxxrrr  h xxxxx
xxxxxxxxxxxxxxxxxx
