#include<stdio.h>
int main()
{
    int n, m, num;
    scanf("%d", &n);
    scanf("%d", &m);
    scanf("%d", &num);
    
    if(num != 0 && num != 1) {
        printf("Invalid input");
        return 1;
    }
    if (n != m || n < 1 || n > 10) {
        printf("Invalid input");
        return 1;
    }
    
    for (int i = 0; i < n; i++) {
        for(int j =0 ; j < m; j++) { 
        printf("0 ", num);
        }
        printf("\n");
        }
        return 0;
    }