I was playing one of those click escape games, I tried this puzzle for an hour and couldn't get it. I finally had to cheat, I wonder if OCuk is smarter than I?
1231111X13
22X313233
11X1110111X
The Xs make a 4 digit code, the digits are between 0 and 9, what's the code?
1231111X13
22X313233
11X1110111X
The Xs make a 4 digit code, the digits are between 0 and 9, what's the code?