by steps
000000 000000
000000
b72842 b72842
b72842
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c02339
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007fff
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c91e31
00ffff 00ffff
00ffff
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db1421 db1421
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7fffff
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e40f18
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ff7fff ff7fff
ff7fff
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f60508
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff