by steps
000000 000000
000000
7298d2 7298d2
7298d2
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00007f
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0000ff
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7293cb
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007fff
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00ff7f
728ec4 728ec4
728ec4
00ffff 00ffff
00ffff
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7389be
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7380b0
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ff7f7f
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7476a3
ffff00 ffff00
ffff00
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ffffff ffffff
ffffff
75729d 75729d
75729d