by steps
000000 000000
000000
198ccd 198ccd
198ccd
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2a8abc
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3c89ac
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60878c
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72867c 72867c
72867c
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84856c
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ff7fff
96845c 96845c
96845c
ffff00 ffff00
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ffff7f
ffffff ffffff
ffffff
a8834c a8834c
a8834c