Make an Illusion Using Paint

I was browsing illusions on the intonet and i decided to make 1.
heres how:

go onto paint and make a filled black box.
a little underneath make another anhttps://www.instructables.com/files/deriv/FZB/UF2O/F6S98JK9/FZBUF2OF6S98JK9.MEDIUM.jpg
https://www.instructables.com/files/deriv/FZB/UF2O/F6S98JK9/FZBUF2OF6S98JK9.MEDIUM.jpgd continue till you have first row

copy the row and paste as many times untill filled.
(ctrl c=copy) (ctrl v=paste)

if you look at pic grey dots will appear.
enjoy