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Graphics Interchange Format  |  2000-01-03  |  38.1 KB  |  451x344  |  4-bit (16 colors)
   ocr: pwels from: zbuffer 2 2 - 2 3. 2 2 2, 2 2 2 3 2 2 2 2 2 Hx2-1x3-1x.2 & - X2 Bx.3-1x2 2 21X2-1X3-1X2 2 2. 2 - 3 2 2 Figure : Laplacian operator acting on an edge-lke inflection.