The diagram will show how this puzzle is to be
solved. It is
the only way
within the conditions laid down.
Starting at the pudding with holly at
the top left-hand corner, we strike out all the puddings in twenty-one
straight strokes, taste the steaming hot pudding at the end of the
stroke, and end at the second sprig of holly.
Here we have an example of a chess rook's path
that is not
but between two squares that are at the greatest possible distance from
For if it were desired to move, under the condition of
visiting every square once and once only, from one corner square to the
other corner square on the same diagonal, the feat is impossible.
There are a good many different routes for passing
holly to the other in the smallest possible number of
moves—twenty-one—but I have not counted them.
have recorded fourteen
of these, and possibly there are more.
Any one of these would serve our
purpose, except for the condition that the tenth stroke shall end at
steaming hot pudding.
This was introduced to stop a plurality of
solutions—called by the maker of chess problems "cooks."
of more than one solution to this puzzle; but as I may not have
all the tours, I cannot make a positive statement on the point at the
time of writing.