by steps
000000 000000
000000
728f70 728f70
728f70
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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737d71
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007fff
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00ff7f
756b73 756b73
756b73
00ffff 00ffff
00ffff
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7f0000
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765975
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7fffff
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7a3579
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7b237b 7b237b
7b237b
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
7d117d 7d117d
7d117d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff