xxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxx
xxxxxx       xxxxx
xxxx           xxx
xxxs         h  xx
xxx     m  h m  xx
xx     sss    rrrx
xx           rrrrx
xx        p  rrrrx
xx           s   x
xx        m      x
xxm       rr     x
xx m   m rrr     x
xxx     rrrr    xx
xxx     rrrr    xx
xxxx    rrrrm  xxx
xxxxxx  rrrrrxxxxx
xxxxxxxxxxxxxxxxxx
