68,127,136
#
in steps
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000000
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898091
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0000ff
007f00 007f00
007f00
007f7f 007f7f
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667f8c 667f8c
667f8c
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117f81 117f81
117f81
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff