20,6,175
#
in steps
000000 000000
000000
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
05018b 05018b
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00ff7f 00ff7f
00ff7f
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0a0397
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0f04a3
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1406af
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230ad3 230ad3
230ad3
ffff00 ffff00
ffff00
ffff7f ffff7f
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ffffff ffffff
ffffff
280ce0 280ce0
280ce0