C22213331333133313112331323133313331333132321233133313232223111   >>    C2221333133313331311233132313331333133313232123313331323222311   <<    C22213331333133313112331323133313331333132321233133313232223113   >>      C22213331333133313112331323133313331333132321233133313232223112   >>