by steps
000000 000000
000000
6e8fe3 6e8fe3
6e8fe3
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
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007f7f
708de2 708de2
708de2
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007fff
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00ff7f
728be2 728be2
728be2
00ffff 00ffff
00ffff
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7489e1 7489e1
7489e1
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7a83e0 7a83e0
7a83e0
ff7f00 ff7f00
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ff7f7f
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ff7fff
7c81df 7c81df
7c81df
ffff00 ffff00
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ffff7f
ffffff ffffff
ffffff
7e80df 7e80df
7e80df