by steps
000000 000000
000000
72825e 72825e
72825e
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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837172
007fff 007fff
007fff
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00ff7f
956186 956186
956186
00ffff 00ffff
00ffff
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7f0000
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7f007f
a6519a a6519a
a6519a
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7fffff
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ca30c2
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db20d6
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
ed10ea ed10ea
ed10ea
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff