137,20,15
#
in steps
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7f0000 7f0000
7f0000
00007f 00007f
00007f
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0000ff
007f00 007f00
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007f7f 007f7f
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840a07
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860f0b
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91231a 91231a
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ffffff ffffff
ffffff
94291e 94291e
94291e