C22213331333133313112331323133313331333133313331333133313331312111133233232311   >>    C2221333133313331311233132313331333133313331333133313331333131211113323323231   <<    C22213331333133313112331323133313331333133313331333133313331312111133233232313   >>      C22213331333133313112331323133313331333133313331333133313331312111133233232312   >>