4,4,186
#
in steps
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000000
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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0505c8 0505c8
0505c8
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0707e6 0707e6
0707e6
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0909f5 0909f5
0909f5