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Connect 4 check algorithm

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Last Modified: 2010-10-05
I have lots of two dimensional arrays... I need a function to detect if array (given by parameter) contains 4 in a row. The array values are:

0 - empty field
1 - player one
2 - player two

I need a checker to be as fast as possible, because I need to run it on about 100,000,000,000 examples!

Thanks in advance.
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