set style line 1 lc rgb '#000c16' lt 1 lw 2 pt 4 ps 1.5 # --- blue
set style line 2 lc rgb '#000c16' lt 1 lw 2 pt 5 ps 1.5 # --- red
set style line 3 lc rgb '#000c16' lt 1 lw 2 pt 6 ps 1.5 # --- red
set style line 1 lc rgb '#000c16' lt 1 lw 2 pt 4 ps 1.5 # --- blue
set style line 2 lc rgb '#000c16' lt 1 lw 2 pt 5 ps 1.5 # --- red
set style line 3 lc rgb '#000c16' lt 1 lw 2 pt 6 ps 1.5 # --- red