#include <iostream>
using namespace std;
int main() {
const int height = 6;
const int width = 10;
int s = 0;
for (int i = 0; i < height; i++) {
int c = s;
for (int j = 0; j < width; j++) {
cout << c;
c = 1- c;
}
cout << '\n';
s = 1 - s;
}
return 0;
}
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