by steps
000000 000000
000000
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00ffff
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10fde0
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20fcc1
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31fba3 31fba3
31fba3
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41fa84
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51f965 51f965
51f965
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62f847 62f847
62f847
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ff7fff ff7fff
ff7fff
72f728 72f728
72f728
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ffff00
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ffffff ffffff
ffffff
83f60a 83f60a
83f60a