C222133313331333131123313231333133313331333131123313121111133313331333223123231   >>    C22213331333133313112331323133313331333133313112331312111113331333133322312323   <<    C222133313331333131123313231333133313331333131123313121111133313331333223123233   >>      C222133313331333131123313231333133313331333131123313121111133313331333223123232   >>