#include <bits/stdc++.h>
using namespace std;

int main(){
    int n,m,k;cin>>n>>m>>k;
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            int cur=i*k+j;
            cout<<(cur%m)+1<<" ";
        }
        cout<<endl;
    }
}