Description: 8 × 8 chessboard on distributed n-Cavalier, they want to about gathering in a cell. Cavalier day like chess in the horse as a mobile, as shown from the middle of moving to 8, please calculate the first n-Cavalier gathering place and the number of days to go. Meeting the requirements as soon as possible, and the total n of individuals taking steps at least, the first meeting place Cavalier can no longer wait for the other mobile Cavalier.
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qishi.txt