#include <iostream>
#include <string_view>
 
int main() {
    constexpr std::string_view unicode[] {
        "▀▄─", "▄▀─", "▀─▄", "▄─▀"
    };

	while (true) { 
		for (int y{}, p{}; y != 6; ++y, p = ((p + 1) % 4)) {
			for (int x{}; x != 16; ++x)
				std::cout << unicode[p];
			std::cout << '\n';
		}
	}
}