C1111233133313231133133313331333133313231323331333133313223113313111   >>    C111123313331323113313331333133313331323132333133313331322311331311   <<    C1111233133313231133133313331333133313231323331333133313223113313113   >>      C1111233133313231133133313331333133313231323331333133313223113313112   >>