set terminal postscript eps solid 22
set noxtics
set noytics
set yrange [-0.5:0.9]
set nolabel
set nokey

set output "wsl97-0.eps"
plot [0:99] "wsl97.dat" w l

set output "wsl97-1.eps"
plot [100:199] "wsl97.dat" w l

set output "wsl97-2.eps"
plot [200:299] "wsl97.dat" w l

set output "/dev/null"