#include <bits/stdc++.h> using namespace std; const int N = 20; int main() { int n, i, j; cin >> n >> i >> j; for (int col = 1; col <= n; ++col) { cout << "(" << i << "," << col << ")"<<" ";; } cout << endl; for (int row = 1; row <= n; ++row) { cout << "(" << row << "," << j << ")"<<" ";

}
cout << endl;
for (int k = -n; k <= n; ++k) {
    int row = i + k;
    int col = j + k;
    if (row >= 1 && row <= n && col >= 1 && col <= n) {
        cout << "(" << row << "," << col << ")"<<" ";
    }
}
cout << endl;
for (int k = -n; k <= n; ++k) {
    int row = i - k;
    int col = j + k;
    if (row >= 1 && row <= n && col >= 1 && col <= n) {
        cout << "(" << row << "," << col << ")"<<" ";
    }
}
cout << endl;
return 0;

}