x X PI:720:0:4320:32647:fig1.ps:2232u,4068u,120u,126u::
x X PI:720:0:4320:32647:fig2.ps:1058u,3319u,120u,500u::
x X PI:720:0:2016:30607:fig3.ps:1425u,1000u,120u,508u::
x X PI:720:0:2016:31207:fig4.ps:626u,583u,120u,716u::
