6,19,216
#
in steps
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000000
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0000ff
00007f 00007f
00007f
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007f00
007f7f 007f7f
007f7f
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00ff7f
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040ee2
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0718ce 0718ce
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091dc5
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ff7fff ff7fff
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0a22bb 0a22bb
0a22bb
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0c27b2 0c27b2
0c27b2