by steps
000000 000000
000000
1cd386 1cd386
1cd386
00007f 00007f
00007f
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0000ff
007f00 007f00
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007f7f 007f7f
007f7f
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28c885
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007fff
00ff00 00ff00
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00ff7f
34be84 34be84
34be84
00ffff 00ffff
00ffff
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7f007f
41b383 41b383
41b383
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4da982
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599e81 599e81
599e81
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669480 669480
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ff7f7f
ff7fff ff7fff
ff7fff
72897f 72897f
72897f
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff