by steps
000000 000000
000000
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4288d4
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0000ff
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528aca
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007fff
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00ff7f
628dc0 628dc0
628dc0
00ffff 00ffff
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728fb6 728fb6
728fb6
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ff7fff
b29a8e b29a8e
b29a8e
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
c39d85 c39d85
c39d85