by steps
000000 000000
000000
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bb6ebb
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bd6eb5
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bf6faf bf6faf
bf6faf
00ffff 00ffff
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c370a3
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c5709d
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c77197 c77197
c77197
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
c97191 c97191
c97191
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
cc728c cc728c
cc728c