C1111233133313231133133313331333133313231323331333133321233133313113131   >>    C111123313331323113313331333133313331323132333133313332123313331311313   <<    C1111233133313231133133313331333133313231323331333133321233133313113133   >>      C1111233133313231133133313331333133313231323331333133321233133313113132   >>