X     XX     XX     XX     XX     XX     XX     XX     XX   X XX     XX   X XX     XX   X XX     XX   X XX     XX   X XX     XXX  X XX     XX   X XX     XX   X XX   X XX   X XXX    XX   X XX     XX   X XX     XX   X XX     XX   X XX     XX   X XX
XX   X XX     XX   X XX     XX   X XX     XX   X XX     XX   X XX     XX   X XX     XX   X XX     XX   X XX     X
X_____XX_____XX_____XX_____XX_____XX_____XX_____XX_____XX___X_XX_____XX___X_XX_____XX___X_XX_____XX___X_XX_____XX___X_XX_____XXX__X_XX_____XX___X_XX_____XX___X_XX___X_XX___X_XXX____XX___X_XX_____XX___X_XX_____XX___X_XX_____XX___X_XX_____XX___X_XX_XX___X_XX_____XX___X_XX_____XX___X_XX_____XX___X_XX_____XX___X_XX_____XX___X_XX_____XX___X_XX_____XX___X_XX_____