by steps
000000 000000
000000
74848b 74848b
74848b
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
72858c 72858c
72858c
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
70878e 70878e
70878e
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
6e8990 6e8990
6e8990
7f00ff 7f00ff
7f00ff
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7f7f7f 7f7f7f
7f7f7f
6c8b92 6c8b92
6c8b92
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7fff00 7fff00
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7fffff
6a8d93 6a8d93
6a8d93
ff0000 ff0000
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688f95 688f95
688f95
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
669197 669197
669197
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
659399 659399
659399