No logic here, just symmetrical guesswork. I wonder if a border or inverting the image may have helped bring a logical solving element?

Thanks.

All corners are white and the 3 is R5-7. Agree with Hoatzin.

Actually it's rows 4 to 6.
All dots are connected at least diagonally to form the basic outline of a moth or butterfly.

Rubbish.

Not that bad quit whining.

Not that bad? Because of what?

Thanks for the hints.