by steps
000000 000000
000000
ff0000 ff0000
ff0000
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
ea1302 ea1302
ea1302
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
d62704 d62704
d62704
00ffff 00ffff
00ffff
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7f007f
c23b06 c23b06
c23b06
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7f7f7f
ae4f08 ae4f08
ae4f08
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7f7fff
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7fff7f
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7fffff
9a630a 9a630a
9a630a
ff007f ff007f
ff007f
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86770c 86770c
86770c
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
728b0e 728b0e
728b0e
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
5e9f11 5e9f11
5e9f11