C2221333133313331311233132313331333133313331333133313231333133313223231   >>    C222133313331333131123313231333133313331333133313331323133313331322323   <<    C2221333133313331311233132313331333133313331333133313231333133313223233   >>      C2221333133313331311233132313331333133313331333133313231333133313223232   >>