by steps
000000 000000
000000
7887e3 7887e3
7887e3
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
728ce4 728ce4
728ce4
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
6c92e5 6c92e5
6c92e5
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
6797e6 6797e6
6797e6
7f00ff 7f00ff
7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
619de8 619de8
619de8
7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
5ba3e9 5ba3e9
5ba3e9
ff0000 ff0000
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ff007f
ff00ff ff00ff
ff00ff
56a8ea 56a8ea
56a8ea
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
50aeeb 50aeeb
50aeeb
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
4bb4ed 4bb4ed
4bb4ed