20,18,251
#
in steps
000000 000000
000000
160bfb 160bfb
160bfb
00007f 00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
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150cfb
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00ff7f
150efb 150efb
150efb
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1317fb 1317fb
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ffff00
ffff7f ffff7f
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ffffff ffffff
ffffff
1319fb 1319fb
1319fb