thats the problem though.....

i've done that and you can't pick the large numbers out....

as for example.... It might indicate numbers 7123-8998 free.....

but 8125 might be in use.... so therefore I havent got a full sequence of numbers but I wouldnt immediately know because that one would be missing from my list!!

surely there's gotta be a way of getting a formula to count from one letter Y to the next letter Y, stopping if it doesnt equal 'Y' aaaarrrgh lol