by steps
000000 000000
000000
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966c0b
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00007f
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a35e19
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00ff7f
b05128 b05128
b05128
00ffff 00ffff
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bd4336
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d72853 d72853
d72853
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e41b62
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ff7f7f
ff7fff ff7fff
ff7fff
f10d70 f10d70
f10d70
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff