#include<bits/stdc++.h>
using namespace std;
int sum;
int main()
{
	int x, y, k, x1, y1;
	cin >> x >> y >> k;
	for(int i = 1; i <= x; i++)
	{
		for(int j = 1; j <= y; j++)
		{
			sum++;
			if(sum == k)
			{
				x1 = i;
				y1 = j;
//				break;
			}
cout << setw(3) << sum << " ";
		}
		cout << endl;
	}
	cout << x1 << " " << y1;
}