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

int main(){
	int n;
	while(scanf("%d\n", &n) != EOF){
		char **tribune = (char**)malloc(n*sizeof(char*));
		int i;
		int chary_count = 0;
		char *chary = (char*)calloc(n,sizeof(char));
		int *chary_counter = (int*)calloc(n,sizeof(int));
		for(i = 0; i < n; i++){
			tribune[i] = (char*)calloc(n,sizeof(char));
		}
		int u;
		char c;
		for(i = 0; i < n; i++){
			for(u = 0; u < n; u++){
				tribune[i][u] = getchar();
				c = tribune[i][u];
				int k = 0;
				short added = 0;
				for(k = 0; k < chary_count; k++){
					if(chary[k] == c){
						chary_counter[k]++;
						added = 1;
					}
				}
				if(added == 0){
					chary[chary_count++] = c;
					chary_counter[chary_count-1] = 1;
				}
			}
			c = getchar();
		}
		char john;
		for(i = 0; i < chary_count; i++){
			if(chary_counter[i] == n-1 || chary_counter[i] == n + 1){
				john = chary[i];
			}
		}
		int column;
		int row;
		for(i = 0; i < n; i++){
			int canbe = 1;
			for(u = 0; u < n; u++){
				if(john == tribune[i][u]){
					canbe = 0;
				}
			}
			if(canbe == 1){
				row = i;
			}
		}
		for(i = 0; i < n; i++){
			int canbe = 1;
			for(u = 0; u < n; u++){
				if(john == tribune[u][i]){
					canbe = 0;
				}
			}
			if(canbe == 1){
				column = i;
			}
		}
		printf("%d %d %c\n", row+1, column+1, john);

	}	
	return 0;
}