import java.util.*;

public class Tribune {

    private static final Scanner sc = new Scanner(System.in);

    public static void main(String[] args) {
        try{
            while(sc.hasNextLine()){
                Map<Character, Integer> map = new HashMap<>();
                int n = sc.nextInt();
                char[][] ch = new char[n][n];
                for(int i = 0; i < n;i++){
                    String rada = sc.next();
                    for(int j = 0; j < n;j++){
                        char c = rada.charAt(j);
                        ch[i][j] = c;
                        if(map.containsKey(c)){
                            int pocet = map.get(c);
                            map.replace(c, pocet+1);
                        }else{
                            map.put(c, 1);
                        }
                    }

                }

                char spatny = '*';
                char dobry = '*';
                for(char c : map.keySet()){
                    if(map.get(c) == 1){
                        spatny = c;
                    }
                    if(map.get(c) == (n-1)){
                        dobry = c;
                    }
                }
                for(int i = 0; i < n; i++) {
                    for (int j = 0; j < n; j++) {
                        if(ch[i][j] == spatny){
                            System.out.println((i+1) + " " + (j+1) + " " + dobry);
                            break;
                        }
                    }
                }

            }
        } catch (NullPointerException e){

        }
    }
}