C222133313331333131123313231333133313331333131123313133313112331323223231   >>    C22213331333133313112331323133313331333133313112331313331311233132322323   <<    C222133313331333131123313231333133313331333131123313133313112331323223233   >>      C222133313331333131123313231333133313331333131123313133313112331323223232   >>