The King, Mufasa takes Simba with him on a walk to patrol the Pride Lands. He shows him the whole kingdom and tells Simba that someday, he will be the one ruling it and protecting the animals. While talking to Simba about the Circle of Life, they come across a field.
The field is divided into 25 squares, with numbers written on each square as shown in the figure. Mufasa thinks that it is a good puzzle for Simba to put them all into regular order so that the first line reads 12345, and the second line reads 6 7 8 9 10, and so on to the end, by taking up one counter in each hand and making them change places. Thus, Simba might take up 7 and 1 and replace them as 1 and 7. Then take up 24 and 2 and make them also change places, then Simba will have the first two counters properly placed. The puzzle is for Simba to determine the fewest
possible exchanges in which this can be done.
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