#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
#pragma GCC optimize 03
#pragma GCC optimize("unroll-loops")

#include <iostream>
#include <vector>

using namespace std;

int n, m, c;
int now;

bool check(vector<vector<int>> mx, int i, int j) {
    for (int l = 0; l < i; ++l) {
        for (int r = 0; r < j; ++r) {
            if (mx[l][r] == mx[l][j] && mx[l][r] == mx[i][r] && mx[l][r] == mx[i][j]) {
                return false;
            }
        }
    }
    return true;
}

void gen2(vector<vector<int>> mx, int i, int j, int s) {
    mx[i][j] = s;
    if (check(mx, i, j)) {
        if (i == n - 1 && j == m - 1) {
            for (int i = 0; i < n; ++i) {
                for (int j = 0; j < m; ++j) {
                    cout << mx[i][j] + 1 << " ";
                }
                cout << '\n';
            }
            exit(0);
        }
        if (j < m - 1) {
            gen2(mx, i, j + 1, 0);
            gen2(mx, i, j + 1, 1);
        } else {
            gen2(mx, i + 1, 0, 0);
            gen2(mx, i + 1, 0, 1);
        }
    } else {
        return;
    }
}

void gen3(vector<vector<int>> mx, int i, int j, int s) {
    mx[i][j] = s;
    if (check(mx, i, j)) {
        if (i == n - 1 && j == m - 1) {
            for (int i = 0; i < n; ++i) {
                for (int j = 0; j < m; ++j) {
                    cout << mx[i][j] + 1 << " ";
                }
                cout << '\n';
            }
            exit(0);
        }
        if (j < m - 1) {
            gen3(mx, i, j + 1, 0);
            gen3(mx, i, j + 1, 1);
            gen3(mx, i, j + 1, 2);
        } else {
            gen3(mx, i + 1, 0, 0);
            gen3(mx, i + 1, 0, 1);
            gen3(mx, i + 1, 0, 2);
        }
    } else {
        return;
    }
}

int main() {
    cin >> n >> m >> c;
    vector<vector<int>> mx(n, vector<int>(m));
    if (c == 2) {
        gen2(mx, 0, 0, 0);
    } else {
        gen3(mx, 0, 0, 0);
    }
    return 0;
}