by steps
000000 000000
000000
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f53688
00007f 00007f
00007f
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f62f86
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00ff7f
f72885 f72885
f72885
00ffff 00ffff
00ffff
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f82184
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fb1482
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ff7fff ff7fff
ff7fff
fd0680 fd0680
fd0680
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff