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K 4 x square k 1 x 1
K 4 x square k 1 x 1 pictures 5
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K 4 x square
K 4 x square k 1 x 1
k 4 x square k 1 into x 1 is equal to zero
k 4 x square k 1 into x 1 0
4 x square 2 k 1 x k 1
4 x square 2 k 1 x k 1 0
k 4 x square k 1 x 1
k 4 x square k 1 x 1 0
