\textbf{151-} The remainder of dividing the natural number $N$ by $31$ is $26$. If we divide this number by $43$, the remainder that comes out of the quotient is $N$. What is the largest single-digit number of $N$?
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(1) $2$ \hspace{2cm} (2) $4$ \hspace{2cm} (3) $6$ \hspace{2cm} (4) $7$
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