by steps
000000 000000
000000
5c927c 5c927c
5c927c
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
5f8f7c 5f8f7c
5f8f7c
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
638d7c 638d7c
638d7c
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
678b7c 678b7c
678b7c
7f00ff 7f00ff
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7f7f7f
6b897d 6b897d
6b897d
7f7fff 7f7fff
7f7fff
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7fffff 7fffff
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6e877d 6e877d
6e877d
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72857d 72857d
72857d
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
76837d 76837d
76837d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
7a817e 7a817e
7a817e