by steps
000000 000000
000000
7f7fff 7f7fff
7f7fff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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7886fb
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
728df7 728df7
728df7
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
6b95f3 6b95f3
6b95f3
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
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7f7f7f 7f7f7f
7f7f7f
659cef 659cef
659cef
7fff00 7fff00
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
5ea3eb 5ea3eb
5ea3eb
ff0000 ff0000
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58abe7 58abe7
58abe7
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
51b2e3 51b2e3
51b2e3
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
4bbadf 4bbadf
4bbadf