Well there are 24 different possible combinations - assuming the 0's are different 4 * 3 * 2 * 1 = 24 is this incorrect for me to use this as a solution? edi

Well there are 24 different possible combinations - assuming the 0's are different 4 * 3 * 2 * 1 = 24 is this incorrect for me to use this as a solution? edit: http://news.ycombinator.com/item?id=3550753 http://news.ycombinator.com/item?id=3550753 This is what I was trying to convey - I guess he's the big winner!