<input name="data_i" pattern="(1){$nb_data}" />
</consumption>
<production>
- <output name="data_o" pattern="00{$nb_data}" counter="{2,$nb_data+2}"/>
+ <output name="data_o" pattern="00{$nb_data}" counter="{2:$nb_data+2:1}"/>
</production>
</patterns>
</block_impl>