by steps
000000 000000
000000
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d940d1
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00007f
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0000ff
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dd38c6
007fff 007fff
007fff
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00ff7f
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e230bc
00ffff 00ffff
00ffff
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7f007f
e728b2 e728b2
e728b2
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f51093
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
fa0889 fa0889
fa0889
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff