printf STDOUT ("1-->%s<--\n", $Row->{ Cells } );
printf STDOUT ("2-->%s<--\n", $FieldOrder );
printf STDOUT ("3-->%s<--\n", $Row->{ Cells }[ ( @$FieldOrder ) ] ) ;

##</code><code>##

1-->ARRAY(0x2af07dc)<--
2-->ARRAY(0x2ab07dc)<--
3-->HASH(0x2b50058)<--