C222133313331333131123313231333133313331333133313331333232112111   >>    C22213331333133313112331323133313331333133313331333133323211211   <<    C222133313331333131123313231333133313331333133313331333232112113   >>      C222133313331333131123313231333133313331333133313331333232112112   >>