#include <string>
#include <set>
#include <vector>
#include <iostream>
#include <stdio.h>
#include <string>
#include <algorithm>
using namespace std;

int main ()
{
	int clubs;
	while(scanf("%d", &clubs) > 0) {
		char tribune[26][26];				
		int rows[26];
		int columns[26];

		for(int i = 0; i < clubs; i++) {
			rows[i] = columns[i] = 0;
		}	

		for(int i = 0; i < clubs; i++) {
			char c;
			for(int j = 0; j < clubs; j++) {
				scanf(" %c", &c);
				tribune[i][j] = c;
			}
		}
		for(int i = 0; i < clubs; i++) {
			for(int j = 0; j < clubs; j++) {
				rows[i] = rows[i] + tribune[i][j] -'A';
				columns[j] = columns[j] + tribune[i][j] -'A';
			}
		}
		int right = 0;
		int wrong = 0;
		int wrow = 0;
		int wcol = 0;
		right = rows[0];
		if(rows[1] != right) {
			if(rows[1] == rows[2]) right = rows[2];
		}
		for(int i = 0; i < clubs; i++) {
			if(rows[i] != right) {
				wrow = i;
				wrong = rows[i];
				break;
			}
		}
		for(int i = 0; i < clubs; i++) {
			if(columns[i] != right) {
				wcol = i;
				break;
			}
		}
		char r = 'A' + abs(right - (wrong - (tribune[wrow][wcol] - 'A')));
		printf("%d %d %c\n", wrow+1, wcol+1, r);
	}				
	return 0;
}