15,4,63
#
in steps
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000000
130613 130613
130613
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
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0c0360 0c0360
0c0360
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ffffff ffffff
ffffff
0b036b 0b036b
0b036b