#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char **argv)
{
    char arr[27][27];
    int rsums[26], csums[26];
    int clubs, i, j, corr, badr, badc;
    while(1) {
	scanf("%d\n", &clubs);
	if (feof(stdin)) break;
	for (i=0; i<clubs; i++) {
	    fgets(arr[i], 27, stdin);
	    rsums[i] = 0;
	}
	for (i=0; i<clubs; i++) {
	    for (j=0; j<clubs; j++) {
		rsums[i] += arr[i][j];
		csums[j] += arr[i][j];
	    }
	}
	if (rsums[0] == rsums[1])
	    corr = rsums[1];
	else
	    corr = rsums[2];
	for (i=0; i<clubs; i++) {
	    if (rsums[i] != corr) badr = i;
	    if (csums[i] != corr) badc = i;
	}
	printf("%d %d %c\n", badc, badr, arr[badc][badr] + corr - rsums[badc]);
    }
    return 0;
}