[0,50/96) => 1,
[50/96,150/96) => 2,
on and on
[some fraction,5] => 3

##</code><code>##

[0,3/3 * 3)  => 1
[3/3 * 3, 3/3*3 + 2/3*3 ) => 2

or...

[0,1] => 1,
[1,3] => 2