28,17,121
#
in steps
000000 000000
000000
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00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
07047d 07047d
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00ff00
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0e087c 0e087c
0e087c
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7f007f
150c7a 150c7a
150c7a
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1c1179
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231578 231578
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ff7fff ff7fff
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311d75 311d75
311d75
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
392274 392274
392274