Try a few times and you'll be surpised... Spooky!
It says 2-digit number. 0 is not 2-digit.
It's not hard when all the pertinent multiples of 9 are the same symbol.
I was amazed at that for like 2 seconds but the math in it is simple and then just boring
that really sucked but i can USE flash now muwhahahahahah
Such is life.
I've seen a better one that took me longer to figure out. It displayed 5 cards and told you to pick one and concentrate. The next screen wouldn't have the card you thought of. Freaky at first, then laughed at its simplicity.
Environment: OS X, GCC / G++
Codes: Java, C#, C/C++
AOL IM: neandrake, Email: neandrake (at) gmail (dot) com