expected output:
    1a2
    aba
    3a4

def main():
    """
    expected output:
    1a2
    aba
    3a4
    """
    colorama.init()
    print("aaa")
    print("aaa")
    print("aaa")
    print(forward() + up(2) + "b" + up() + back(2) + "1" + forward() + "2" + back(3) + down(2) + "3" + forward() + "4")