4 ms·
See also the Missing Square puzzle: https://psychology.wikia.org/wiki/Missing_square_puzzle https://psychology.wikia.org/wiki/Missing_square_puzzle Don't read
by Luc 5y ago
See also the Missing Square puzzle: https://psychology.wikia.org/wiki/Missing_square_puzzle https://psychology.wikia.org/wiki/Missing_square_puzzle
Don't read the text if you want to figure it out yourself.