#include <iostream>
#include <string_view>

int main()
{
    #define A "▀"
    #define B "▄"
    #define C "─"
    
    constexpr std::string_view blocks[]{A B C, B A C, A C B, B C A};

    for (int y{}, p{}; y != 8; ++y, p = ((p + 1) / 4))
    {
        for (char x{}; x != 29; ++x)
            std::cout << blocks[p];
        std::cout <<  '\n';
    }
}