#!perl
$_=++$/x11 .<>;map{$i=$-[0];{map{1while
s/w((?<=W.{10})|(?<=W.)|(?=.{9}W|W))/W/s;/W((?<= .{10})|(?<= .)|(?=.{9} | ))/s||$i=~/./+print("$& $'\n")+last}"$`W$'"while/w/g}}"$`x$'"while/ /g

##</code><code>##

#!perl
$_= ++$ / x11 . <>;
map {
  $i = $-[0];
  {  
    map {
	  1 while
        s/w((?<=W.{10})|(?<=W.)|(?=.{9}W|W))/W/s;
      /W((?<= .{10})|(?<= .)|(?=.{9} | ))/s ||
	    $i=~/./ +
		print("$& $'\n") + 
		last
	} "$`W$'" while/w/g
  }
} "$`x$'" while/ /g

##</code><code>##

#!perl -ln0
map{$i=$-[0]+11;{map{1while
s/w((?<=W.{10})|(?<=W.)|(?=.{9}W|W))/W/s;/W((?<= .{10})|(?<= .)|(?=.{9} | ))/s||$i=~/./+print("$& $'")+last}"$`W$'"while/w/g}}"$`x$'"while/ /g

##</code><code>##

#!perl -ln0
map {
  $i=$-[0]+11;
  { 
    map {
      1 while
        s/w((?<=W.{10})|(?<=W.)|(?=.{9}W|W))/W/s;
      /W((?<= .{10})|(?<= .)|(?=.{9} | ))/s ||
        $i=~/./ +
        print("$& $'") +
        last
    } "$`W$'" while/w/g
  }
} "$`x$'" while/ /g