Hogy lehet egy 600x610 pixeles, fff6e5 színű, téglalap alakú jpg fájlról azt állítani, hogy az egy semmi lenne? Ez pl. mind benne van:

 [-M--]  2 L:[ 35+24  59/ 65] *(46522/53008b) 0010 0x00A                            [*][X]


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