by steps
000000 000000
000000
007f00 007f00
007f00
00007f 00007f
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0000ff
007f7f 007f7f
007f7f
0a7c17 0a7c17
0a7c17
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
147a2f 147a2f
147a2f
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
1e7847 1e7847
1e7847
7f00ff 7f00ff
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7f7f7f 7f7f7f
7f7f7f
28765f 28765f
28765f
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7fff7f 7fff7f
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7fffff 7fffff
7fffff
327477 327477
327477
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3c728f 3c728f
3c728f
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
4670a7 4670a7
4670a7
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
516ebf 516ebf
516ebf