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图中有3、4、5、6、8、9六种数字,共18个。请将正方形划分成18块,要求每一块中只含有一个数字,并且每一块中的方格数必须等于其中的数字。
The figure has 3,4,5,6,8,9 six kinds of numbers, a total of 18. Divide the square into 18 pieces, requiring only one number in each piece, and the number of squares in each piece must be equal to the number of squares.