by steps
000000 000000
000000
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f286bd
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00007f
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0000ff
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007f7f 007f7f
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d385b5
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007fff
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00ff7f
b584ad b584ad
b584ad
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
9783a5 9783a5
9783a5
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7f7f7f
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79829e
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5a8196 5a8196
5a8196
ff0000 ff0000
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3c808e 3c808e
3c808e
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
1e7f86 1e7f86
1e7f86
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff