#include <iostream>
#include <cstring>
#include <cstdio>

using namespace std;

#define DIM 402

int mat[DIM][DIM], freq[DIM][DIM], nr_casute, type, mx, N, M, p, i, j, total, vect[DIM * DIM];
char carac;
int dx[] = {0, -1, 0, 1, 0};
int dy[] = {0, 0, 1, 0, -1};
int pozi, pozj;

void myfill(int i, int j, int &nr_casute);
void second_fill(int i, int j, int &nr_casute);

int main()
{
#ifndef ONLINE_JUDGE
    freopen("input.txt","r",stdin);
#endif // ONLINE_JUDGE

    cin >> type;

    cin >> N >> M;

    for(i = 1; i <= N; i++)
    {
        for(j = 1; j <= M; j++)
        {
            cin >> carac;

            mat[i][j] = carac - 'a' + 1;
        }
    }

    if(type == 1)
    {
        for(i = 1; i <= N; i++)
        {
            for(j = 1; j <= M; j++)
            {
                if(freq[i][j] == 0)
                {
                    nr_casute = 0;

                    myfill(i, j, nr_casute);

                    mx = max(nr_casute, mx);
                }
            }
        }

        cout << mx << '\n';
    }
    else
    {
        p = 1;

        for(i = 1; i <= N; i++) {
            for(j = 1; j <= M; j++) {
                if(freq[i][j] == 0) {
                    nr_casute = 0;
                    second_fill(i, j, nr_casute);
                    vect[p] = nr_casute;
                    ++p;
                }
            }
        }

        mx = 0;

        for(i = 3; i <= N; i++) {
            for(j = 4; j <= M; j++) {
                for(int x = 2; x <= 4; x++) {
                    for(int y = 4; y <= 4; y++) {
                        if(x != y) {
                            if(mat[dx[x] + i][dy[x] + j] == mat[dx[y] + i][dy[y] + j] && mat[dx[y] + i][dy[y] + j] != mat[i][j]) {
                                total = vect[freq[dx[x] + i][dy[x] + j]] + vect[freq[dx[y] +i][dy[y] + j]] + 1;
                            }
                            else {
                                total = max(vect[freq[dx[x] + i][dy[x] + j]], vect[freq[dx[y] +i][dy[y] + j]]) + 1;
                            }

                            if(mx < total) {
                                pozi = i;
                                pozj = j;
                                carac = mat[dx[x] + i][dy[x] + j] + 'a' - 1;
                                mx = total;
                            }
                        }
                    }
                }
            }
        }

        cout << pozi << ' ' << pozj << '\n' << carac
        ;
    }

    return 0;
}

void myfill(int i, int j, int &nr_casute)
{
    nr_casute++;
    freq[i][j] = 1;

    if(i > 1 && mat[i - 1][j] == mat[i][j] && freq[i - 1][j] == 0)
    {
        myfill(i - 1, j, nr_casute);
    }

    if(i < N && mat[i + 1][j] == mat[i][j] && freq[i + 1][j] == 0)
    {
        myfill(i + 1, j, nr_casute);
    }

    if(j > 1 && mat[i][j - 1] == mat[i][j] && freq[i][j - 1] == 0)
    {
        myfill(i, j - 1, nr_casute);
    }

    if(j < M && mat[i][j + 1] == mat[i][j] && freq[i][j + 1] == 0)
    {
        myfill(i, j + 1, nr_casute);
    }
}

void second_fill(int i, int j, int &nr_casute) {
    nr_casute++;
    freq[i][j] = p;

    if(i > 1 && mat[i - 1][j] == mat[i][j] && freq[i - 1][j] == 0)
    {
        second_fill(i - 1, j, nr_casute);
    }

    if(i < N && mat[i + 1][j] == mat[i][j] && freq[i + 1][j] == 0)
    {
        second_fill(i + 1, j, nr_casute);
    }

    if(j > 1 && mat[i][j - 1] == mat[i][j] && freq[i][j - 1] == 0)
    {
        second_fill(i, j - 1, nr_casute);
    }

    if(j < M && mat[i][j + 1] == mat[i][j] && freq[i][j + 1] == 0)
    {
        second_fill(i, j + 1, nr_casute);
    }
}