by steps
000000 000000
000000
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998b97
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00007f
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0000ff
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007f7f 007f7f
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858994
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007fff
00ff00 00ff00
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00ff7f
728891 728891
728891
00ffff 00ffff
00ffff
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7f007f
5f868e 5f868e
5f868e
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4c858b 4c858b
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7fffff
398388 398388
398388
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ff00ff
268285 268285
268285
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ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
138082 138082
138082
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff