C1111233133313231133133313331333133313231121333133313123231322321   >>    C111123313331323113313331333133313331323112133313331312323132232   <<    C1111233133313231133133313331333133313231121333133313123231322323   >>      C1111233133313231133133313331333133313231121333133313123231322322   >>