set size 0.5,0.5
set terminal png
#postscript eps "Helvetica" 11
set output 'before5.png'
#set key left top box
set nokey
#set ytics 500
#set xtics 200
set xlabel "x"
set ylabel "position"
plot "paint5.dat" index 0 using 1:3 with points, \
 "paint5.dat" index 1 using 1:3 with points, \
 "paint5.dat" index 2 using 1:3 with points, \
 "paint5.dat" index 3 using 1:3 with points, \
 "paint5.dat" index 4 using 1:3 with points