by steps
000000 000000
000000
77811b 77811b
77811b
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
74811f 74811f
74811f
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
728124 728124
728124
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
6f8129 6f8129
6f8129
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
6d812e 6d812e
6d812e
7f7fff 7f7fff
7f7fff
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7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
6a8133 6a8133
6a8133
ff0000 ff0000
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ff00ff
688138 688138
688138
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
65813d 65813d
65813d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
638142 638142
638142