by steps
000000 000000
000000
647fec 647fec
647fec
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
6b85ec 6b85ec
6b85ec
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
728bed 728bed
728bed
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
7991ee 7991ee
7991ee
7f00ff 7f00ff
7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
8197ef 8197ef
8197ef
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7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
889df0 889df0
889df0
ff0000 ff0000
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ff007f
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ff00ff
8fa3f1 8fa3f1
8fa3f1
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
96a9f2 96a9f2
96a9f2
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
9eaff3 9eaff3
9eaff3