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## 'Coordinate Challenge' printed from http://nrich.maths.org/

Here is a grid:

Can you position these ten letters in their correct places
according to the eight clues below?

Clues:

The letters at $(1, 1),$ $(1, 2)$ and $(1, 3)$ are all
symmetrical about a vertical line.

The letter at $(4, 2)$ is not symmetrical in any way.

The letters at $(1, 1),$ $(2, 1)$ and $(3, 1)$ are symmetrical
about a horizontal line.

The letters at $(0, 2),$ $(2, 0)$ have rotational
symmetry.

The letter at $(3, 1)$ consists of just straight lines.

The letters at $(3, 3)$ and $(2, 0)$ consist of just curved
lines.

The letters at $(3, 3),$ $(3, 2)$ and $(3, 1)$ are consecutive
in the alphabet.

The letters at $(0, 2)$ and $(1, 2)$ are at the two ends of
the alphabet.

You could use this interactivity to try out your ideas.

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