by steps
000000 000000
000000
03a728 03a728
03a728
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00007f
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0000ff
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007f7f
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039430
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007fff
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00ff7f
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048238
00ffff 00ffff
00ffff
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047041 047041
047041
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7f7f00
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7f7f7f
055e49 055e49
055e49
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7f7fff
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7fffff
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064c51
ff0000 ff0000
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063a5a 063a5a
063a5a
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ff7f7f
ff7fff ff7fff
ff7fff
072862 072862
072862
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
08166b 08166b
08166b