C1111233133313231133133313331333133313231323331333133313123132333132311211111   >>    C111123313331323113313331333133313331323132333133313331312313233313231121111   <<    C1111233133313231133133313331333133313231323331333133313123132333132311211113   >>      C1111233133313231133133313331333133313231323331333133313123132333132311211112   >>