by steps
000000 000000
000000
7f7f00 7f7f00
7f7f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
728b1c 728b1c
728b1c
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
669838 669838
669838
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
59a554 59a554
59a554
7f00ff 7f00ff
7f00ff
7f7f7f 7f7f7f
7f7f7f
4db270 4db270
4db270
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
41be8c 41be8c
41be8c
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
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34cba8 34cba8
34cba8
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
28d8c4 28d8c4
28d8c4
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1ce5e1 1ce5e1
1ce5e1