21,58,81
#
in steps
000000 000000
000000
153e54 153e54
153e54
00007f 00007f
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0000ff
007f00 007f00
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007f7f 007f7f
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153d53
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153c52
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153b51 153b51
153b51
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153a51 153a51
153a51
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ffffff ffffff
ffffff
16374e 16374e
16374e