C222133313331333131123313231333133313331333131123313232222121121   >>    C22213331333133313112331323133313331333133313112331323222212112   <<    C222133313331333131123313231333133313331333131123313232222121123   >>      C222133313331333131123313231333133313331333131123313232222121122   >>