by steps
000000 000000
000000
728aad 728aad
728aad
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
7685af 7685af
7685af
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
7a81b1 7a81b1
7a81b1
00ffff 00ffff
00ffff
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7f0000
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7f007f
7e7db4 7e7db4
7e7db4
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7f00ff
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7f7f00
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7f7f7f
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8379b6
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7f7fff
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7fff7f
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7fffff
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8774b8
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ff007f
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ff00ff
8b70bb 8b70bb
8b70bb
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
8f6cbd 8f6cbd
8f6cbd
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
9468c0 9468c0
9468c0