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means "look at the 2nd row and 2nd column". The value found here is 4
Another example: means "look row 3, column 4" and the found there is 8. The row number is always listed first.
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means "look at the 2nd row and 2nd column". The value found here is 4
means "look row 3, column 4" and the found there is 8. The row number is always listed first.