by steps
000000 000000
000000
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7f7fff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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7886e7
007fff 007fff
007fff
00ff00 00ff00
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00ff7f
728ecf 728ecf
728ecf
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
6c96b7 6c96b7
6c96b7
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7f7f7f
669ea0 669ea0
669ea0
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7fff7f 7fff7f
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7fffff
5fa688 5fa688
5fa688
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59ae70 59ae70
59ae70
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
53b658 53b658
53b658
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
4dbe41 4dbe41
4dbe41