by steps
000000 000000
000000
1b870e 1b870e
1b870e
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
33861a 33861a
33861a
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
4c8526 4c8526
4c8526
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
658432 658432
658432
7f00ff 7f00ff
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7e833f
7f7fff 7f7fff
7f7fff
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7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
97824b 97824b
97824b
ff0000 ff0000
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ff00ff
b08157 b08157
b08157
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
c98063 c98063
c98063
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
e28070 e28070
e28070