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xxxxxx    msss xxxxx
xxxxx    sss    xxxx
xxxx    f  s     xxx
xxxr   m   rr     xx
xx  h      rrrr    x
xx  f  s    rrrf   x
xx    ss     rrr   x
xx  sssss    rrrrf x
xx   f  ss hprrrr  x
xx      sss  rrrr  x
xx  ssssssss rrr   x
xx    ss   ss      x
xx      f   s      x
xxx           rr  xx
xxxxrrrr     rrrrxxx
xxxxxrrr    rrrrxxxx
xxxxxxrr   rrrrxxxxx
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