187,15,20
#
in steps
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000000
bf1016 bf1016
bf1016
00007f 00007f
00007f
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0000ff
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007f00
007f7f 007f7f
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be0f15
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00ff7f
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bd0f15
00ffff 00ffff
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ba0e14 ba0e14
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b80e13 b80e13
b80e13
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
b70e13 b70e13
b70e13