X     XX     XX     XX     XX     XX     XX     XX     X      XX     XX     XX            XX     XX     XX     XX     XX    XXXX    XX     XX     XX     XX     XX   X XX
X_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____X______XX_____XX_____XX____________XX_____XX_____XX_____XX_____XX____XXXX____XX_____XX_____XX_____XX_____XX___X_XX