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

int main(int argc, char **argv)
{
    char arr[28][28];
    int rsums[26], csums[26];
    int clubs, i, j, corr, badr, badc, ret;
    while(1) {
	ret = scanf("%d\n", &clubs);
	if (ret < 1) break;
	for (i=0; i<clubs; i++) {
	    fgets(arr[i], 28, stdin);
	    rsums[i] = 0;
	    csums[i] = 0;
	}
	for (i=0; i<clubs; i++) {
	    for (j=0; j<clubs; j++) {
		//printf("i=%d j=%d arr[i][j]=%d rsums[i]=%d csums[j]=%d\n", i, j, arr[i][j], rsums[i], csums[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++) {
	    //printf("%d rsum = %d csum = %d\n", i, rsums[i], csums[i]);
	    if (rsums[i] != corr) badr = i;
	    if (csums[i] != corr) badc = i;
	}
	printf("%d %d %c\n", badr + 1, badc + 1, arr[badr][badc] + corr - rsums[badr]);
    }
    return 0;
}