8×8的棋盘上分布着n个骑士，他们想约在某一格中聚会。骑士每天可以像国际象棋中的马那样移动一次，如图所示，可以从中间向8个方向移动，请你计算n个骑士的最早聚会地点和要走多少天。要求尽早聚会，且n个人走的总步数最少，先到聚会地点的骑士可以不再移动等待其他骑士。 -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.