by steps
000000 000000
000000
7789c5 7789c5
7789c5
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
748bc5 748bc5
748bc5
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
728dc6 728dc6
728dc6
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
708fc7 708fc7
708fc7
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
6e91c8 6e91c8
6e91c8
7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
6c93c9 6c93c9
6c93c9
ff0000 ff0000
ff0000
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ff007f
ff00ff ff00ff
ff00ff
6a95ca 6a95ca
6a95ca
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
6897cb 6897cb
6897cb
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
6699cc 6699cc
6699cc