C222133313331333131123313231333133313331333131123313232223131323321   >>    C22213331333133313112331323133313331333133313112331323222313132332   <<    C222133313331333131123313231333133313331333131123313232223131323323   >>      C222133313331333131123313231333133313331333131123313232223131323322   >>