by steps
000000 000000
000000
8d745e 8d745e
8d745e
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00007f
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0000ff
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887863
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007fff
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00ff7f
847c68 847c68
847c68
00ffff 00ffff
00ffff
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7b8572
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768977
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728d7c 728d7c
728d7c
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ff7f7f
ff7fff ff7fff
ff7fff
6d9181 6d9181
6d9181
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
699686 699686
699686