20,19,124
#
in steps
000000 000000
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1b197b 1b197b
1b197b
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0000ff
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007f00
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0f0e7c 0f0e7c
0f0e7c
ffff00 ffff00
ffff00
ffff7f ffff7f
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ffffff ffffff
ffffff
0e0d7d 0e0d7d
0e0d7d