C1111233133313231133133313331333133313231331133133313331323131232313223213311   >>    C111123313331323113313331333133313331323133113313331333132313123231322321331   <<    C1111233133313231133133313331333133313231331133133313331323131232313223213313   >>      C1111233133313231133133313331333133313231331133133313331323131232313223213312   >>