When saving, enter the following:
 
            ###   ZZZZZZ   ZZZZZZ    ##   ## 
             #     ZZ  ZZ   ZZ  ZZ   ##   ## 
 #####       #     ZZ  ZZ   ZZ   ZZ  ##   ## 
 ##  ##      #     ZZZZZ    ZZ   ZZ  ##   ## 
 ##  ##      #     ZZ ZZ    ZZ   ZZ  ##   ## 
 #####       #     ZZ  ZZ   ZZ  ZZ   ##   ## 
 ##         ###   ZZZZ ZZZ ZZZZZZ     #####  
 ##
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Summary of change:
Add document to category: