there are eighteen cards bearing the letters
write the numbers 1 to 18 in a circle, as shown in the diagram.
write the first letter C against 1, and each successive letter against
the second number that happens to be vacant.
has been done as far
the second R.
If the reader completes the process by placing Y against
P against 6, I against 10, and so on, he will get the letters all
in the following order:—CYASNPTREIRMBLUIRG, which is the
arrangement for the cards, C being at the top of the pack and G at the