by steps
000000 000000
000000
61a17f 61a17f
61a17f
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
639e80 639e80
639e80
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
659c82 659c82
659c82
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
679a84 679a84
679a84
7f00ff 7f00ff
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7f7f7f 7f7f7f
7f7f7f
699886 699886
699886
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7fff7f 7fff7f
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7fffff 7fffff
7fffff
6b9587 6b9587
6b9587
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6d9389 6d9389
6d9389
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
6f918b 6f918b
6f918b
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
728f8d 728f8d
728f8d