by steps
000000 000000
000000
1ea482 1ea482
1ea482
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00007f
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0000ff
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2a9f81 2a9f81
2a9f81
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007fff
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00ff7f 00ff7f
00ff7f
369a81 369a81
369a81
00ffff 00ffff
00ffff
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7f007f
429680 429680
429680
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4e9180
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5a8c80 5a8c80
5a8c80
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66887f 66887f
66887f
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
72837f 72837f
72837f
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff