37. A mechanical beetle crawls along a square spiral on the ground. It starts from the lower left corner and crawls in the direction of the arrows, sequentially for $1 \mathrm{~cm}, 1 \mathrm{~cm}, 1 \mathrm{~cm}, 1 \mathrm{~cm}, 2 \mathrm{~cm}, 2 \mathrm{~cm}, 1 \mathrm{~cm}, 3 \mathrm{~cm}, 3 \mathrm{~cm}$, $\qquad$. It crawls $1 \mathrm{~cm}$ per second. How many seconds after departure does it just finish crawling the 100th line segment?
\begin{tabular}{c}
$\mathbf{3 7}$ \\
\hline 1156
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