by steps
000000 000000
000000
728886 728886
728886
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
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007f7f 007f7f
007f7f
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837785
007fff 007fff
007fff
00ff00 00ff00
00ff00
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00ff7f
956684 956684
956684
00ffff 00ffff
00ffff
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7f0000
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7f007f
a65583 a65583
a65583
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7f7f7f
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b84482
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7fff7f 7fff7f
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7fffff
ca3381 ca3381
ca3381
ff0000 ff0000
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db2280 db2280
db2280
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
ed117f ed117f
ed117f
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff