Added Moscow Puzzles

Misc/Moscow Puzzles/problems/110.tex

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+\documentclass[../main.tex]{subfiles}
+
+\begin{document}
+
+	\problem{Knight's Move}
+
+	To solve this problem you need not be a chess player. You need only know the way a knight moves on the chessboard: two squares in one direction and one square at right angles to the first direction. The diagram shows 16 black pawns on a board.
+
+	\begin{figure}[h]
+		\centering
+		\includegraphics[width=12cm]{110}
+	\end{figure}
+
+	Can a knight capture all 16 pawns in 16 moves?
+
+\end{document}