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Graphics Interchange Format  |  1997-01-13  |  22.1 KB  |  317x234  |  4-bit (16 colors)
   ocr: - - - -1 X . 2 2 4 - (b) Ar Figure 1: (a) You need to decrement y wbenever the inequality 1S true; (b) the left. side iS simply - the value error from earlier attempts.