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package Queue;

import java.util.Scanner;

public class Validate {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int tc = scanner.nextInt();
		for (int Case = 1; Case <=tc; Case++) {
			int n = scanner.nextInt();
			int m = scanner.nextInt();
			int [][]arr = new int [n][m];
			boolean[][]check = new boolean[n][m];
			for (int i = 0; i < n; i++) {
				String string = scanner.next();
				for (int j = 0; j < m; j++) {
					if(string.charAt(j)=='#'){
						arr[i][j]=1;
					}else{
						arr[i][j]=0;
					}
					check[i][j]=false;
				}
			}
			
		}
	}
}