by steps
000000 000000
000000
918b25 918b25
918b25
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
918a25 918a25
918a25
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
928a26 928a26
928a26
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
938a26 938a26
938a26
7f00ff 7f00ff
7f00ff
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7f7f7f 7f7f7f
7f7f7f
948a27 948a27
948a27
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7f7fff
7fff00 7fff00
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
948a28 948a28
948a28
ff0000 ff0000
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958a28 958a28
958a28
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
968a29 968a29
968a29
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
978a2a 978a2a
978a2a