21,19,134
#
in steps
000000 000000
000000
111085 111085
111085
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
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121085 121085
121085
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00ff7f 00ff7f
00ff7f
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131185
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141286 141286
141286
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181687 181687
181687
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ffffff ffffff
ffffff
191788 191788
191788