by steps
000000 000000
000000
1ad929 1ad929
1ad929
00007f 00007f
00007f
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0000ff
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007f7f 007f7f
007f7f
26cd43 26cd43
26cd43
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007fff
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00ff7f 00ff7f
00ff7f
33c25e 33c25e
33c25e
00ffff 00ffff
00ffff
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7f007f
3fb779 3fb779
3fb779
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4cac94
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59a0ae 59a0ae
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6595c9 6595c9
6595c9
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ff7f7f
ff7fff ff7fff
ff7fff
728ae4 728ae4
728ae4
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff