Count the number of cubes in the given figure.

In the figure, there are 21 columns containing 2 cubes each and 4 columns containing 1 cube each.

$\therefore $Total number of cubes = (21 x 2) + (4 x 1) = 42 + 4 = 46.

Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure?

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