set style line 1 linetype 1 linecolor rgb "red"
set style line 2 linetype 2 linecolor rgb "black"
set style line 3 linetype 3 linecolor rgb "green"
set style line 1 linetype 1 linecolor rgb "red"
set style line 2 linetype 2 linecolor rgb "black"
set style line 3 linetype 3 linecolor rgb "green"