13,63,121
#
in steps
000000 000000
000000
1b7e73 1b7e73
1b7e73
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0000ff
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176e74
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145e76 145e76
145e76
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ff7fff ff7fff
ff7fff
030f7d 030f7d
030f7d
ffff00 ffff00
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ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff