by steps
000000 000000
000000
7f7f00 7f7f00
7f7f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
87830b 87830b
87830b
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
8f8717 8f8717
8f8717
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
978c22 978c22
978c22
7f00ff 7f00ff
7f00ff
7f7f7f 7f7f7f
7f7f7f
9f902e 9f902e
9f902e
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
a7943a a7943a
a7943a
ff0000 ff0000
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ff007f
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af9945 af9945
af9945
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
b79d51 b79d51
b79d51
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
bfa25d bfa25d
bfa25d