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ASIA TEAM Problems/Problem 2

Revision as of 05:13, 16 February 2024 by Abbywong (talk | contribs)
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Notice that $...S_4S_3S_2S_1$ is the base-4 representation of $2013$, and $2013_{10}=133131$, so the answer is $1+3+3+1+3+1=\boxed{12}$. ~AbbyWong

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