C1111233133313231133133313331333133313231121333133313233313132333131322331   >>    C111123313331323113313331333133313331323112133313331323331313233313132233   <<    C1111233133313231133133313331333133313231121333133313233313132333131322333   >>      C1111233133313231133133313331333133313231121333133313233313132333131322332   >>