by steps
000000 000000
000000
df0ce8 df0ce8
df0ce8
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
e31acb e31acb
e31acb
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
e728ae e728ae
e728ae
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
eb3791 eb3791
eb3791
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7f7f00 7f7f00
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7f7f7f
ef4574 ef4574
ef4574
7f7fff 7f7fff
7f7fff
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f35357
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f7623a
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
fb701d fb701d
fb701d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff