C2221333133313331311233132313331333133313331323133313223232123233231   >>    C222133313331333131123313231333133313331333132313331322323212323323   <<    C2221333133313331311233132313331333133313331323133313223232123233233   >>      C2221333133313331311233132313331333133313331323133313223232123233232   >>