See for yourself - I flipped a 0 and an O on this image, can you tell where? https://imgur.com/a/3hcg3zH
real question - so how did you know there was an 0 flipped to O as well?
(For me it's easy but I prepared the modified image, so not blinded - hence my question that it's easy, right.)
See for yourself - I flipped a 0 and an O on this image, can you tell where? https://imgur.com/a/3hcg3zH