#ifndef ONLINE_JUDGE
#define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll=long long;
using ld=long double;
using st=string;
using P=pair<ll,ll>;
typedef atcoder::modint mint;
ll inf=9e18;
template<typename T, int s, int i = 0>
auto vec(const ll (&sizes)[s], const T& init = T()){
  if constexpr(i < s) return vector(sizes[i], vec<T, s, i+1>(sizes, init));
  else return init;
}


int main(){
  ll n,m,k;
  cin>>n>>m>>k;
  ll x=1,y=1;
  for(ll i=0;i<n;i++){
    x=y;
    y+=k;
    while(y>m) y-=m;
    for(ll j=0;j<n;j++){
      cout<<x<<" ";
      x++;
      while(x>m) x-=m;
    }
    cout<<"\n";
  }
}