#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main() {
int arr[100][100] = {0};
int n,m;
scanf("%d %d", &n, &m);
for(int i=0; i<n; i++){
for(int j=0; j<m; j++){
arr[i][j] = (m-j)*n - i;
}
}
for(int i=0; i<n; i++){
for(int j=0; j<m; j++){
printf("%d ", arr[i][j]);
}
printf("\n");
}
return 0;
}
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