Help for this page
0.1,0.2,0.3,0.4,0.5 1,2,3,4,5 1.1,2.2,3.3,4.4,5.5 10,20,30,40,50 100,200,300,400,500
#!/usr/bin/env perl ... print $x; exit;
[ ... [0.4 4 4.4 40 400] [0.5 5 5.5 50 500] ]