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xxxxxxx         xxxxxx
xxxxxx          rxxxxx
xxxx     ss        xxx
xxxx  hrr s   h    xxx
xxx   rrr   s       xx
xx    rrr  ss     h rx
xx   rrr     f       x
xx  rrr     rr       x
xx  rrr    rrr       x
xxs rrr  p rr        x
xxs  rrr             x
xx   rrrr      rr    x
xx   rrrr      rrr   x
xx   rrrr       rr   x
xxx  rrr            xx
xxxx               xxx
xxxx               xxx
xxxxxx  hrr      xxxxx
xxxxxxx  rrr    xxxxxx
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