#include<bits/stdc++.h>
using namespace std;
int arr[102][102];
int main(){
	int n,m,k,cnt=1;
	cin>>n>>m>>k;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			arr[i][j]=cnt;
			cnt++;
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			cout<<arr[i][j]<<" ";
		}
		cout<<"\n";
	}
	int c=(n+m)%m;
	int b=(arr[n][c]-k)/m;
	cout<<n+c-1-b<<" "<<c+b;
	return 0;
}