import java.util.Scanner;

public class BinaryMatrix {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt(); 
        int m = sc.nextInt(); 
        int num = sc.nextInt(); 

        if (num != 0 && num != 1) {
            System.out.println("Invalid input");
            return;
        }

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                System.out.print(num);
                if (j < m - 1) {
                    System.out.print(" ");
                }
            }
            System.out.println();
        }
    }
}