#include <iostream>
#include <vector>
using namespace std;
int main() {
// Define the dimensions of the 2D block
const int rows = 3;
const int cols = 3;
// Initialize a 2D vector to represent the block
vector<vector<int>> block(rows, vector<int>(cols, 0));
// Fill the block with values (for demonstration purposes)
int value = 1;
for (int i = 0; i < rows; ++i) {
for (int j = 0; j < cols; ++j) {
block[i][j] = value++;
}
}
// Display the 2D block
for (int i = 0; i < rows; ++i) {
for (int j = 0; j < cols; ++j) {
cout << block[i][j] << " ";
}
cout << endl;
}
return 0;
}