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#include<bits/stdc++.h> using namespace std; int main(){ } https://ac.xiaosaima.com/d/CQ05_23034/homework/67b920677988d049ca1693dd

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#include<bits/stdc++.h>
using namespace std;
const int N=1100;
struct node{
	int x,y;
};
int n,m,qx,qy,zx,zy,dist[N][N],v[N][N],cnt;
int dx[]={1,1,2,2,-1,-1,-2,-2};
int dy[]={-2,2,-1,1,-2,2,1,-1};
void BFS(){
	memset(dist,-1,sizeof dist);
	queue<node> q;
	q.push({qx,qy}); 
	v[qx][qy]=1;
	dist[qx][qy]=0;
	while(q.size()){
		node x=q.front();
		for(int i=0;i<=7;i++){
			int xx=x.x+dx[i];
			int yy=x.y+dy[i];
			if(xx>=1 && xx<=n && yy>=1 && yy<=m && v[xx][yy]==0){
				q.push({xx,yy});
				dist[xx][yy]=dist[x.x][x.y]+1;
				v[xx][yy]=1;
			}
		} 
		q.pop();
	}
} 
int main(){
	cin>>n>>m>>qx>>qy;
	BFS();
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			cout<<left<<setw(5)<<dist[i][j];
		}
		cout<<endl;
	}
	return 0; 
} 

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