by steps
000000 000000
000000
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ff007f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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f21079
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007fff
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00ff7f
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e52174
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00ffff
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7f007f
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d8326e
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7f7f7f
cb4369 cb4369
cb4369
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7fff7f
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7fffff
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be5464
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b1655e
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
a47659 a47659
a47659
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
978754 978754
978754