X     XX            XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX     XX    XXXX    XX     XX     XX     XX     XX   XXXX     XXX    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____XXXX____XX_____XX_____XX_____XX_____XX___XXXX_____XXX____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_____