#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("saritura_calului1.in");
ofstream fout("saritura_calului1.out");
int a[105][105],n,m;
const int dx[8]={-1,1,2,2,1,-1,-2,-2};
const int dy[8]={2,2,1,-1,-2,-2,-1,1};
bool verif(int i,int j)
{
    if(i<1||i>n||j<1||j>m)return 0;
    if(a[i][j])return 0;
    return 1;
    /*if(i>=1&&i<=n&&j>=1&&j<=m){
        if(a[i][j]==0)return 1;
    }
    return 0;*/
}
int numara(int x,int y)
{
    int i,iv,jv,k=0;
    for(i=0;i<8;i++){
        iv=x+dx[i];
        jv=y+dy[i];
        if(verif(iv,jv))k++;
    }
    return k;
}
int cauta(int x,int y)
{
    int i,iv,jv,mini=10,p,nr;
    for(i=0;i<8;i++){
        iv=x+dx[i];
        jv=y+dy[i];
        if(verif(iv,jv)){
            nr=numara(iv,jv);
            if(nr<=mini)
            {
                mini=nr;
                p=i;
            }
        }
    }
    return p;
}
int main()
{
    int i,j,x,y,xv,yv,p;
    fin>>n>>m>>x>>y;
    a[x][y]=1;
    //xv=x;
    //yv=y;
    for(i=2;i<=n*m;i++){
        p=cauta(x,y);
        cout<<"p: "<<p<<'\n';
        x=x+dx[p];
        y=y+dy[p];
        cout<<"x: "<<x<<" y: "<<y<<'\n';
        a[x][y]=i;
        //x=xv;
        //y=yv;
    }

    for(i=1;i<=n;i++){
        for(j=1;j<=m;j++){
            fout<<a[i][j]<<" ";
        }
        fout<<'\n';
    }
    return 0;
}