Alf and Bert were sitting in the pub pondering over a ring-shaped cardboard beermat (shown left). Bert said: "How can you move just half of the letters to form the words HAIL CLIP reading clockwise?" Alf produced a pair of scissors and with seven radial cuts and a new positioning of the letters completed the task. "Very nice," said Bert, "but I could have done it with only one cut." Two problems : (a) What is Alf's method; (b) What cut does Bert make? ...
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Alf's Method:
1st cut: left of 'A'
2nd cut: right of 'A'
3rd cut: left of 'P'
4th cut: right of 'P'
5th cut: right of 'L'
6th cut: left of 'I'(right of 'C')
7th cut: right of ‘I’ (middle of two 'I’)
He swaps 'A' & 'P' and also swaps 'L' & 'I'
Bert's Method:
He takes backside of the figure which also contains the letters (Mirror image).
He cuts the figure horizontally and turns the bottom of figure so that he obtained the word HAIL CLIP.
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