A little ambiguous at the end. It's clear what was intended though.

Lovely pattern, like a pansy!

There were a few ways that the last 4 5x5 squares could have been completed and it took me a few tries to get the correct "formation" of them but it wasn't too incredibly difficult. It was a very fun puzzle! Thanks! ~:)

Very pretty and worth the effort at the end. Give it a try.

4 ambiguous pixels in each quadrant, with two possible solutions. the "right" answer is arranged in a diagonal.