I started again and then realize there were 2 blacks

I started again and then realize there were 2 blacks

This was a difficult puzzle. I usually solve triddlers well ahead of the posted mid-time.

This was a difficult puzzle. I usually solve triddlers well ahead of the posted mid-time.

The two blacks are exactly the same. This must have been created before the workshop system would not allow you to submit puzzles with colors so close in range. Might have been unsolvable as a single color but that is poor method to compensate.

The two blacks are exactly the same. This must have been created before the workshop system would not allow you to submit puzzles with colors so close in range. Might have been unsolvable as a single color but that is poor method to compensate.

I'm disappointed. That was either identical colors or so close as to be effectively identical.

I'm disappointed. That was either identical colors or so close as to be effectively identical.

Not up to koko's usual standards. Usually he does NOT have two identical blacks.

Not up to koko's usual standards. Usually he does NOT have two identical blacks.

colours are to close

colours are to close

Close shades? There are two blacks! Good puzzle otherwise.

Close shades? There are two blacks! Good puzzle otherwise.

ccc

ccc

Watch the close shades. Otherwise good puzzle.

Watch the close shades. Otherwise good puzzle.