plot [$range] [1:$COUNT] \\
"nop-hist.txt" $using with lp lt 1 title "No modifications", \\
"mod-hist.txt" $using with lp lt 2 title "Two modifications", \\
plot [$range] [1:$COUNT] \\
"nop-hist.txt" $using with lp lt 1 title "No modifications", \\
"mod-hist.txt" $using with lp lt 2 title "Two modifications", \\