C22213331333133313112331323133313331333133313232321333133313231322333122321   >>    C2221333133313331311233132313331333133313331323232133313331323132233312232   <<    C22213331333133313112331323133313331333133313232321333133313231322333122323   >>      C22213331333133313112331323133313331333133313232321333133313231322333122322   >>