by steps
000000 000000
000000
1e728d 1e728d
1e728d
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
2a638b 2a638b
2a638b
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
365589 365589
365589
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
424787 424787
424787
7f00ff 7f00ff
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7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
4e3986 4e3986
4e3986
7f7fff 7f7fff
7f7fff
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7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
5a2a84 5a2a84
5a2a84
ff0000 ff0000
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661c82 661c82
661c82
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
720e80 720e80
720e80
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff