A can contains liquids $L_{1}$ and $L_{2}$ in the ratio $11 : 13$. Draw $24\ L$ of mixture from this Can and refill it by liquid $L_{2}$. If the can has now $L_{1}$ and $L_{2}$ in the ratio $2 : 3$, how much quantity of $L_{1}$ was in the can initially?
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