Hi all, i have a large worksheet that looks something like this:

Feb1 Feb2 Feb3 Feb4
23 53 15
15 25 12
12 15 45
12 25 12
25 12


How can I remove blanks form the above data? i.e. producing something
like:

Feb1 Feb2 Feb3 Feb4
23 53 25 15
12 15 55 12
12 25 12 45
25 12

Thanks in advance