by steps
000000 000000
000000
a410f4 a410f4
a410f4
00007f 00007f
00007f
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0000ff
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007f7f 007f7f
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ad1cd9
007fff 007fff
007fff
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00ff7f
b728be b728be
b728be
00ffff 00ffff
00ffff
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7f007f
c134a3 c134a3
c134a3
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cb4089 cb4089
cb4089
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d54c6e d54c6e
d54c6e
ff0000 ff0000
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df5853
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
e96438 e96438
e96438
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
f3711e f3711e
f3711e