by steps
000000 000000
000000
7f007f 7f007f
7f007f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
810371 810371
810371
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007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
830663 830663
830663
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
850a55 850a55
850a55
7f00ff 7f00ff
7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
880d48 880d48
880d48
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7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
8a103a 8a103a
8a103a
ff0000 ff0000
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8c142c 8c142c
8c142c
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
8e171e 8e171e
8e171e
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
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