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Improve grammar

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Antti H S Laaksonen 2017-04-20 22:58:12 +03:00
parent 7e9f75ebd8
commit 705a2e921b
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chapter19.tex
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@ -588,9 +588,9 @@ A \key{knight's tour} is a sequence of moves
of a knight on an $n \times n$ chessboard of a knight on an $n \times n$ chessboard
following the rules of chess such that the knight following the rules of chess such that the knight
visits each square exactly once. visits each square exactly once.
The tour is \key{closed} if the knight finally A tour is \emph{closed} if the knight finally
returns to the starting square and returns to the starting square and
otherwise the tour is \key{open}. otherwise it is \emph{open}.
For example, here is an open knight's tour on a $5 \times 5$ board: For example, here is an open knight's tour on a $5 \times 5$ board: