GIF files for FORUM.
All gif files are transparent. 
All of them have to have the same size of 20x20 pixels.

b0.gif : Empty GIF
b1.gif:
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        |___
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b2.gif:
        |
        |___
b3.gif:
        |
        |
        |
        |
b4.gif:
        |
       ---
        |

b5.gif:
        
       ---
