Funky Chess board

#1

what will be output for below test case

3
1 1 1
1 1 0
1 0 1

#2

the output will be 6

#3

why my code fail for two test cases.
can you please find out for which my code fail.

#4

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#5

please help to find any test case for which my code fial.
because i am getting two test cases wrong.