by steps
000000 000000
000000
007f7f 007f7f
007f7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
018a7e 018a7e
018a7e
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
02957d 02957d
02957d
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
03a07c 03a07c
03a07c
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
04ac7b 04ac7b
04ac7b
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
05b77a 05b77a
05b77a
ff0000 ff0000
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ff007f ff007f
ff007f
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06c279 06c279
06c279
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
07cd78 07cd78
07cd78
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
09d978 09d978
09d978