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AMC 12 2010a Problem 18

  • Paper

A 16-step path is to go from (−4,−4)(-4,-4) to (4,4)(4,4) with each step increasing either the xx-coordinate or the yy-coordinate by 1. How many such paths stay outside or on the boundary of the square −2≤x≤2-2 \le x \le 2, −2≤y≤2-2 \le y \le 2 at each step?

\textbf{(A)}\ 92 \textbf{(B)}\ 144 \textbf{(C)}\ 1568 \textbf{(D)}\ 1698 \textbf{(E)}\ 12,800

Dataset text AMC 12 2000 to 2025. Quoted with source.

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D

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