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Amusements in Mathematics by Henry Ernest Dudeney
page 272 of 735 (37%)
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Put the point of your pencil on one of the white stars and (without ever
lifting your pencil from the paper) strike out all the stars in fourteen
continuous straight strokes, ending at the second white star. Your
straight strokes may be in any direction you like, only every turning
must be made on a star. There is no objection to striking out any star
more than once.

In this case, where both your starting and ending squares are fixed
inconveniently, you cannot obtain a solution by breaking a Queen's Tour,
or in any other way by queen moves alone. But you are allowed to use
oblique straight lines--such as from the upper white star direct to a
corner star.


330.--THE YACHT RACE.

Now then, ye land-lubbers, hoist your baby-jib-topsails, break out your
spinnakers, ease off your balloon sheets, and get your head-sails set!

Our race consists in starting from the point at which the yacht is lying
in the illustration and touching every one of the sixty-four buoys in
fourteen straight courses, returning in the final tack to the buoy from
which we start. The seventh course must finish at the buoy from which a
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