C1111233133313231133133313331333133313231331133133313331121322321   >>    C111123313331323113313331333133313331323133113313331333112132232   <<    C1111233133313231133133313331333133313231331133133313331121322323   >>      C1111233133313231133133313331333133313231331133133313331121322322   >>