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Can't understand Test#2 -- Problem 2103

Maryan 6339. Can't understand Test#2
2008-08-31 19:02:35 look we have 4 3 2 5 1.
Then we change 3-rd element: 2 3 4 5 1.
Then we change 4-th element: 5 3 4 2 1.
And then we change 5-th element: 1 3 4 2 5.
But its not sorted. I have made a mistake or in test mistake?
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