by steps
000000 000000
000000
6b93be 6b93be
6b93be
00007f 00007f
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6d90a6 6d90a6
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007fff 007fff
007fff
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708e8e 708e8e
708e8e
00ffff 00ffff
00ffff
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728b76 728b76
728b76
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778647
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ff7f7f
ff7fff ff7fff
ff7fff
7c8117 7c8117
7c8117
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff