15,3,63
#
in steps
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0a022a 0a022a
0a022a
00007f 00007f
00007f
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0000ff
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007f00
007f7f 007f7f
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0c0234 0c0234
0c0234
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0d0239
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12034e 12034e
12034e
ffff00 ffff00
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ffffff ffffff
ffffff
140454 140454
140454