c#include <bits/stdc++.h> using namespace std; int main(){ cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(false); int N, M, K; cin >> N >> M >> K; if(N + M - 1 > K){ cout << "NO" << "\n"; return 0; } cout << "YES" << "\n"; int num = 1; for(int i = 0; i < N; i++){ for(int j = 0; j < M; j++){ cout << num << " "; num++; } num = i + 2; cout << "\n"; } return 0; }