12,0,60
#
in steps
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000000
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0f000f
00007f 00007f
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0b0047 0b0047
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ff7fff ff7fff
ff7fff
09005d 09005d
09005d
ffff00 ffff00
ffff00
ffff7f ffff7f
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ffffff ffffff
ffffff
090069 090069
090069