I'm stuck at the following post: How many ways are there to place the knights on the m*n chessboard so that they do not attack each other (modulo 10^9+9) M<=4, N<=10^9
I'm stuck at the following post: How many ways are there to place the knights on the m*n chessboard so that they do not attack each other (modulo 10^9+9) M<=4, N<=10^9
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