17,0,126
#
in steps
000000 000000
000000
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
04001f 04001f
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00ff7f 00ff7f
00ff7f
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0c005e
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7f7f7f 7f7f7f
7f7f7f
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1900bd 1900bd
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1d00dc 1d00dc
1d00dc
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ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2200fc 2200fc
2200fc