by steps
000000 000000
000000
455656 455656
455656
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
3f4f63 3f4f63
3f4f63
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
3a4870 3a4870
3a4870
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
34417d 34417d
34417d
7f00ff 7f00ff
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7f7f00 7f7f00
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7f7f7f 7f7f7f
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2f3b8a 2f3b8a
2f3b8a
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7fffff 7fffff
7fffff
293497 293497
293497
ff0000 ff0000
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242da4 242da4
242da4
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ff7f7f
ff7fff ff7fff
ff7fff
1e26b1 1e26b1
1e26b1
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1920bf 1920bf
1920bf