by steps
000000 000000
000000
7f7f7f 7f7f7f
7f7f7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
7f728b 7f728b
7f728b
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
7f6697 7f6697
7f6697
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
7f59a3 7f59a3
7f59a3
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
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7f4daf 7f4daf
7f4daf
7f7fff 7f7fff
7f7fff
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7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
7f41bb 7f41bb
7f41bb
ff0000 ff0000
ff0000
ff007f ff007f
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ff00ff
7f34c7 7f34c7
7f34c7
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
7f28d3 7f28d3
7f28d3
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
801ce0 801ce0
801ce0