by steps
000000 000000
000000
775506 775506
775506
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
765f06 765f06
765f06
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
756a07 756a07
756a07
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
747408 747408
747408
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7f7f7f
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737f09
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7fff7f 7fff7f
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7fffff 7fffff
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728a0a 728a0a
728a0a
ff0000 ff0000
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71940b 71940b
71940b
ff7f00 ff7f00
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
709f0c 709f0c
709f0c
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
6faa0d 6faa0d
6faa0d