by steps
000000 000000
000000
ff0000 ff0000
ff0000
00007f 00007f
00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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f71d0f
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
ef3a1e ef3a1e
ef3a1e
00ffff 00ffff
00ffff
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7f007f 7f007f
7f007f
e7572d e7572d
e7572d
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7f00ff
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7f7f7f
df743c df743c
df743c
7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
d7914b d7914b
d7914b
ff007f ff007f
ff007f
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ff00ff
cfae5a cfae5a
cfae5a
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
c7cb69 c7cb69
c7cb69
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
c0e978 c0e978
c0e978