by steps
000000 000000
000000
7f7fff 7f7fff
7f7fff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
7d81f6 7d81f6
7d81f6
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
7b83ed 7b83ed
7b83ed
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
7a85e5 7a85e5
7a85e5
7f00ff 7f00ff
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7f7f7f 7f7f7f
7f7f7f
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7887dc
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
7689d3 7689d3
7689d3
ff0000 ff0000
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758bcb 758bcb
758bcb
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
738dc2 738dc2
738dc2
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
728fba 728fba
728fba