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#include "iostream"
#include "string"

int main() {
    for (int i = 0; i < 99; i++) {
        std::string row(100, '0');
        i&1 ? row[0] = '1' : row[99] = '1';
        std::cout << row << std::endl;
    }
    std::string row(100, '1');
    row[99] = '0';
    std::cout << row << std::endl;
    return 0;
}