21,16,62
#
in steps
000000 000000
000000
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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0f0c2e
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241c6c 241c6c
241c6c
ffff00 ffff00
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ffffff ffffff
ffffff
2a207c 2a207c
2a207c