#include <cstdio>

int type;
int m, n;
char crops[500][500];
char field[500][500];
int zone_size[50];
int zones = 1;
int max_zone = 0, max_i, max_j, max_c;


int di[5] = {-1, 0, 1, 0}, dj[5] = {0, 1, 0, -1};
int vi, vj;

void mark_zone(int i, int j, char c) {
    crops[i][j] = crops[i][j] - 'a' + 'A';
    zone_size[zones]++;
    field[i][j] = zones;
    for (int k=0; k<4; ++k) {
        vi = i + di[k];
        vj = j + dj[k];
        if (crops[vi][vj] == c)
            mark_zone(vi, vj, c);
    }
}

void largest() {
    for (int i=1; i<m; ++i)
        for (int j=1; j<n; ++j)
            if (crops[i][j] >= 'a') {
                mark_zone(i,j, crops[i][j]);
                if (zone_size[zones] > max_zone)
                    max_zone = zone_size[zones];
                zones++;
            }
}

void new_size(int i, int j) {
    int s, ki, kj, li, lj;
    for (int k=0; k<4; ++k) {
        s = 1;
        ki = i+di[k];
        kj = j+dj[k];
        if (field[i][j] == field[ki][kj])
            continue;
        s += crops[ki][kj];
        for (int l=0; l<4; ++l) {
            li = i+di[l];
            lj = j+dj[l];
            if (l==k || field[li][lj] == field[ki][kj])
                continue;
            if (crops[ki][kj] == crops[li][lj])
                s += crops[li][lj];
        }
        if (s > max_zone) {
            max_zone = s;
            max_i = i;
            max_j = j;
            max_c = crops[ki][kj] - 'A' + 'a';
        }
    }

}

void enlarge() {
    largest();
    for (int i=0; i<m; ++i)
        for (int j=0; j<n; ++j) {
            new_size(i, j);
        }
}

int main () {

    //freopen("date.in", "rt", stdin);

    scanf("%d\n", &type);
    scanf("%d %d", &m, &n);

    for (int i=1; i<=m; ++i) {
        scanf("\n");
        for (int j=1; j<=n; ++j)
            scanf("%c", &crops[i][j]);
    }


    if (type == 1) {
        largest();
        printf("%d", max_zone);
    } else {
        enlarge();
        printf("%d %d\n", max_i, max_j);
        printf("%c", max_c);
    }

    return 0;
}