#include <stdio.h>
int main(){
    int numeros[20][10];
    int aux = 0;
    for (int i = 0; i < 20; i++){
        for (int j = 0; j < 10; j++){
            numeros[i][j] = aux;
            printf("%d ", numeros[i][j]);
            aux++;
        }
        printf("\n");
    }
}
 
            