#include <iostream>
using namespace std;
int main() {
int num = 10;
cout << --num << " | " << num++ << " | " << ++num << "\n"; // 9 | 9 | 11
cout << num++ << " | " << num-- << " | " << ++num << "\n"; // 11 | 12 | 12
cout << --num << " | " << --num << " | " << --num << "\n"; // 11 | 10 | 9
return 0;
}
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