C1111233133313231133133313331333133313231323331333133313223313231331122321   >>    C111123313331323113313331333133313331323132333133313331322331323133112232   <<    C1111233133313231133133313331333133313231323331333133313223313231331122323   >>      C1111233133313231133133313331333133313231323331333133313223313231331122322   >>