def code() -> str:
    """
    Example G-code module, a fancy drawing of two squares, one fully milled, one sides-only.

    Please simulate first, before milling.
    """
    return """
        G91 G17

        G0 X7 Y0
        G0 X0 Y18
        G0 X-18 Y0
        G0 X0 Y-18
        G0 X10 Y0
        G0 X0 Y-5
        G0 X-15 Y0
        G0 X0 Y15
        G0 X15 Y0
        G0 X0 Y-16
        G0 X-16 Y0
        G0 X0 Y16
        G0 X16 Y0
        G0 X0 Y-17
        G0 X-17 Y0
        G0 X0 Y17
        G0 X17 Y0
        G0 X0 Y-18
        G0 X-18 Y0
        G0 X0 Y18
        G0 X18 Y0
        G0 X0 Y-19
        G0 X-19 Y0
        G0 X0 Y19
        G0 X19 Y0
        G0 X0 Y-20
        G0 X-20 Y0
        G0 X0 Y20
        G0 X20 Y0
    """