Ayumu, a chimpanzee living at the Primate Research
Institute of Kyoto University, has demonstrated in
numerous experiments his extraordinary short-term
memory which even adult humans cannot surpass. Now we
have remade one of the famous tasks completed by Ayumu
for you to test your active memory ability! Your goal
in this game is to memorize the positions of the
squares from 1 to 9, then click them in the same
order. At each level of the game, click the circle on
the screen to start, then 9 squares marked with
numbers 1 to 9 will be shown for a very short time.
After the squares are flipped face-down, you need to
click the squares in the correct order of 1 to 9.
Accept Ayumu's challenge now and see if your short-
term memory is more powerful than his!

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