28,16,63
#
in steps
000000 000000
000000
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
07046f 07046f
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0e085f 0e085f
0e085f
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7f007f
150c4f 150c4f
150c4f
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1c103f
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ff7fff ff7fff
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311c0f 311c0f
311c0f
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
392100 392100
392100