(How to play)
(2)Set waiting time. 10 is 1 second,20 is 2 second.
(4)Click on the number on the board from smallest number to largest number.
Chimpanzee can remember 5 numbers in 0.7 sec. If you cannnot 5 numbers, then you are
less than chimpanzee. Average number that human being can remember is 7.