int[][] tab6 = new int[8][8];
		for(int i = 0;i<tab6.length;i++){
			for(int j = 0;j<tab6.length;j++){
				tab6[i][j] = (int)(Math.random()*10);
				System.out.print(tab6[i][j]+" ");
			}
			System.out.println();
		}
		int[] res = new int[10];
		for(int i = 0;i<tab6.length;i++){
			res[tab6[i][i]]++;
			res[tab6[i][tab6.length-1-i]]++;
		}
		for(int i = 0; i < res.length; i++){
			if(res[i]>=3)
				System.out.println(i+" "+res[i]);
		}
		System.out.println();