X     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX    XXXX     X     XX     XX     XX     XX   XXXX     XXX    XX     XX     XX     XX     XX     XX     XX     XXX    XX     XX
XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     X
X_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX____XXXX_____X_____XX_____XX_____XX_____XX___XXXX_____XXX____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XXX____XX_____XX_XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____