7,13,57
#
in steps
000000 000000
000000
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
01030e 01030e
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03061c
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7f007f
050a2b 050a2b
050a2b
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070d39
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7fffff 7fffff
7fffff
091047 091047
091047
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0b1456
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ff7fff ff7fff
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0d1764 0d1764
0d1764
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0f1b73 0f1b73
0f1b73