by steps
000000 000000
000000
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e71705
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00ff7f
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d02e0b
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a15d17
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89741c 89741c
89741c
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728b22 728b22
728b22
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ff7f00
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ff7f7f
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ff7fff
5aa228 5aa228
5aa228
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ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
43ba2e 43ba2e
43ba2e