by steps
000000 000000
000000
ff7f7f ff7f7f
ff7f7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
fb728a fb728a
fb728a
007fff 007fff
007fff
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00ff7f
f76695 f76695
f76695
00ffff 00ffff
00ffff
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7f007f
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f359a1
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f04dac
7f7fff 7f7fff
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ec41b7 ec41b7
ec41b7
ff0000 ff0000
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e834c3
ff7f00 ff7f00
ff7f00
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ff7fff
e428ce e428ce
e428ce
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
e11cda e11cda
e11cda