by steps
000000 000000
000000
7192db 7192db
7192db
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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7190cd
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007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
728fbf 728fbf
728fbf
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
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7f007f
738eb1 738eb1
738eb1
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748da4
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758b96
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768a88 768a88
768a88
ff7f00 ff7f00
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
77897a 77897a
77897a
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
78886d 78886d
78886d