by steps
000000 000000
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df80dd
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978292 978292
978292
ff7f00 ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
8b8286 8b8286
8b8286
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
80837a 80837a
80837a