15,45,175
#
in steps
000000 000000
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1f5b5f 1f5b5f
1f5b5f
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00007f
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1b4f73
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00ff7f
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174487
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13389b
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ff7fff ff7fff
ff7fff
030beb 030beb
030beb
ffff00 ffff00
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ffff7f
ffffff ffffff
ffffff