b = ""
77.times do |i|
    b<<" "
    i.odd? ? b[i]=176 : b[i]=178
end

25.times do |i|
    startline = " "
    endline = " "
    if i.odd?
        startline[0]=176
        endline=""
    else
        startline=""
        endline[0]=176
    end
    puts startline + b + endline
end