by steps
000000 000000
000000
a72881 a72881
a72881
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00007f
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0000ff
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007f00
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007f7f
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9c2d81
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
913281 913281
913281
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
863782 863782
863782
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7b3c82
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7fffff
704182 704182
704182
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654683 654683
654683
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ff7f7f
ff7fff ff7fff
ff7fff
5a4b83 5a4b83
5a4b83
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
505084 505084
505084