21,53,123
#
in steps
000000 000000
000000
173973 173973
173973
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
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163875
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007fff
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00ff00
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00ff7f
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163777
00ffff 00ffff
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7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
153679 153679
153679
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15357b
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143281 143281
143281
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
143184 143184
143184