by steps
000000 000000
000000
7fff00 7fff00
7fff00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
7def0f 7def0f
7def0f
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
7bdf1f 7bdf1f
7bdf1f
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
79d02e 79d02e
79d02e
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
77c03e 77c03e
77c03e
7f7fff 7f7fff
7f7fff
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
75b04d 75b04d
75b04d
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
73a15d 73a15d
73a15d
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
71916c 71916c
71916c
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
6f827c 6f827c
6f827c