by steps
000000 000000
000000
a2817f a2817f
a2817f
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
9c8186 9c8186
9c8186
007fff 007fff
007fff
00ff00 00ff00
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00ff7f 00ff7f
00ff7f
97818d 97818d
97818d
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
928194 928194
928194
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7f7f7f 7f7f7f
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8d819c 8d819c
8d819c
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8781a3 8781a3
8781a3
ff0000 ff0000
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8281aa 8281aa
8281aa
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
7d81b1 7d81b1
7d81b1
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
7882b9 7882b9
7882b9