by steps
000000 000000
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8982f1
007fff 007fff
007fff
00ff00 00ff00
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00ff7f 00ff7f
00ff7f
9782f3 9782f3
9782f3
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
a681f4 a681f4
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c280f8 c280f8
c280f8
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d180f9 d180f9
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ff7f00 ff7f00
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ff7f7f ff7f7f
ff7f7f
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df7ffb df7ffb
df7ffb
ffff00 ffff00
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ffffff ffffff
ffffff
ee7ffd ee7ffd
ee7ffd