D331212121133132233131323223313233313233313223313231333133311211311   >>    D33121212113313223313132322331323331323331322331323133313331121131   <<    D331212121133132233131323223313233313233313223313231333133311211313   >>      D331212121133132233131323223313233313233313223313231333133311211312   >>