by steps
000000 000000
000000
a989b5 a989b5
a989b5
00007f 00007f
00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
a589b7 a589b7
a589b7
007fff 007fff
007fff
00ff00 00ff00
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00ff7f
a28ab9 a28ab9
a28ab9
00ffff 00ffff
00ffff
7f0000 7f0000
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9e8abc
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7f7f7f
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9b8bbe
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7fff7f
7fffff 7fffff
7fffff
978bc0 978bc0
978bc0
ff0000 ff0000
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948cc3 948cc3
948cc3
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
908cc5 908cc5
908cc5
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
8d8dc8 8d8dc8
8d8dc8