#include <fstream>
#include <cstdio>
#include <cstring>
using namespace std;

ofstream g("pharm.out");

long n,m,i,j,nr,mx2,t,nrp,mat[401][401],mat2[401][401],mat3[401][401],savi,savj;
char s[401],sav,mats[401][401];

void fill(long i,long j)
{
    long sav;
    sav=mat[i][j];
    mat3[i][j]=nrp;
    mat[i][j]=-1;
    if (mat[i+1][j]==sav)
    {
        fill(i+1,j);
        nr++;
    }
    if (mat[i-1][j]==sav)
    {
        fill(i-1,j);
        nr++;
    }
    if (mat[i][j+1]==sav)
    {
        fill(i,j+1);
        nr++;
    }
    if (mat[i][j-1]==sav)
    {
        fill(i,j-1);
        nr++;
    }
}
void fill2(long i,long j)
{
    mat[i][j]=nr+1000;
    if (mat[i+1][j]==-1)
        fill2(i+1,j);
    if (mat[i-1][j]==-1)
        fill2(i-1,j);
    if (mat[i][j+1]==-1)
        fill2(i,j+1);
    if (mat[i][j-1]==-1)
        fill2(i,j-1);
}
long rezolva1()
{
    long mx=0;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=m;j++)
        {
            nr=0;
            if (mat[i][j]!=-1 && mat[i][j]<1000)
            {
                nrp++;
                fill(i,j);
                nr++;
                fill2(i,j);
            }
            if(nr>mx)
                mx=nr;
        }
    return mx;
}
int main()
{
    freopen("pharm.in","r",stdin);
    scanf("%ld%ld%ld",&t,&n,&m);
    for (i=1;i<=n;i++)
    {
        scanf("%s",&s);
        strcpy(mats[i],s);
        for (j=1;j<=m;j++)
            mat[i][j]=mat2[i][j]=s[j-1]-'a'+1;
    }
    for (i=1;i<=m;i++)
        mat[0][i]=mat[n+1][i]=-2;
    for (i=1;i<=n;i++)
        mat[i][0]=mat[i][m+1]=-2;

    if(t==1)
        g<<rezolva1();
    else
    {
        rezolva1();
        for (i=1;i<=n;i++)
            for (j=1;j<=m;j++)
            {
                if (mat3[i-1][j]!=mat3[i][j])
                {
                    nr=mat[i-1][j]-1000;
                    nr+=mat[i][j]-1000;
                    if (mat3[i+1][j]!=mat3[i][j] && mat2[i+1][j]==mat2[i-1][j])
                        nr+=mat[i+1][j]-1000;
                    if (mat3[i][j-1]!=mat3[i][j] && mat2[i][j-1]==mat2[i-1][j])
                        nr+=mat[i][j-1]-1000;
                    if (mat3[i][j+1]!=mat3[i][j] && mat2[i][j+1]==mat2[i-1][j])
                        nr+=mat[i][j+1]-1000;
                    if (nr>mx2)
                    {
                        mx2=nr;
                        savi=i;
                        savj=j;
                        sav=mats[i-1][j-1];
                    }
                }
                if (mat3[i+1][j]!=mat3[i][j])
                {
                    nr=mat[i+1][j]-1000;
                    nr+=mat[i][j]-1000;
                    if (mat3[i-1][j]!=mat3[i][j] && mat2[i-1][j]==mat2[i+1][j])
                        nr+=mat[i-1][j]-1000;
                    if (mat3[i][j-1]!=mat3[i][j] && mat2[i][j-1]==mat2[i+1][j])
                        nr+=mat[i][j-1]-1000;
                    if (mat3[i][j+1]!=mat3[i][j] && mat2[i][j+1]==mat2[i+1][j])
                        nr+=mat[i][j+1]-1000;
                    if (nr>mx2)
                    {
                        mx2=nr;
                        savi=i;
                        savj=j;
                        sav=mats[i+1][j-1];
                    }
                }
                if (mat3[i][j+1]!=mat3[i][j])
                {
                    nr=mat[i][j+1]-1000;
                    nr+=mat[i][j]-1000;
                    if (mat3[i+1][j]!=mat3[i][j] && mat2[i+1][j]==mat2[i][j+1])
                        nr+=mat[i+1][j]-1000;
                    if (mat3[i][j-1]!=mat3[i][j] && mat2[i][j-1]==mat2[i][j+1])
                        nr+=mat[i][j-1]-1000;
                    if (mat3[i-1][j]!=mat3[i][j] && mat2[i][j+1]==mat2[i][j+1])
                        nr+=mat[i-1][j]-1000;
                    if (nr>mx2)
                    {
                        mx2=nr;
                        savi=i;
                        savj=j;
                        sav=mats[i][j];
                    }
                }
                if (mat3[i][j-1]!=mat3[i][j])
                {
                    nr=mat[i][j-1]-1000;
                    nr+=mat[i][j]-1000;
                    if (mat3[i+1][j]!=mat3[i][j] && mat2[i+1][j]==mat2[i][j-1])
                        nr+=mat[i+1][j]-1000;
                    if (mat3[i-1][j]!=mat3[i][j] && mat2[i][j-1]==mat2[i][j-1])
                        nr+=mat[i-1][j]-1000;
                    if (mat3[i][j+1]!=mat3[i][j] && mat2[i][j+1]==mat2[i][j-1])
                        nr+=mat[i][j+1]-1000;
                    if (nr>mx2)
                    {
                        mx2=nr;
                        savi=i;
                        savj=j;
                        sav=mats[i][j-2];
                    }
                }
        }
        g<<savi<<' '<<savj<<'\n'<<sav;
    }


    g.close();
    return 0;
}