by steps
000000 000000
000000
ff7f7f ff7f7f
ff7f7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
f37d81 f37d81
f37d81
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
e77b83 e77b83
e77b83
00ffff 00ffff
00ffff
7f0000 7f0000
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db7985 db7985
db7985
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7f7f7f
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cf7887
7f7fff 7f7fff
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7fffff 7fffff
7fffff
c37689 c37689
c37689
ff0000 ff0000
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b7748b b7748b
b7748b
ff7f00 ff7f00
ff7f00
ff7fff ff7fff
ff7fff
ab728d ab728d
ab728d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
9f718f 9f718f
9f718f