C1111233133313231133133313331333133313231323112331323223331312311   >>    C111123313331323113313331333133313331323132311233132322333131231   <<    C1111233133313231133133313331333133313231323112331323223331312313   >>      C1111233133313231133133313331333133313231323112331323223331312312   >>