by steps
000000 000000
000000
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00007f
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e716e8
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d02dd1
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89718d 89718d
89718d
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728776 728776
728776
ff7f00 ff7f00
ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
5a9e5f 5a9e5f
5a9e5f
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
43b549 43b549
43b549