C222133313331333131123313231333133313331311111211113313331311221123221221   >>    C22213331333133313112331323133313331333131111121111331333131122112322122   <<    C222133313331333131123313231333133313331311111211113313331311221123221223   >>      C222133313331333131123313231333133313331311111211113313331311221123221222   >>