51,63,67
#
in steps
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000000
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677f07
00007f 00007f
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0000ff
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007f7f 007f7f
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4d5f25 4d5f25
4d5f25
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262f52 262f52
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0c0f70 0c0f70
0c0f70
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff