21,47,69
#
in steps
000000 000000
000000
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
050b70 050b70
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00ff00
00ff7f 00ff7f
00ff7f
0a1762 0a1762
0a1762
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7f007f
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0f2353
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152f45 152f45
152f45
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1a3b36 1a3b36
1a3b36
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ff7fff
245319 245319
245319
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2a5f0b 2a5f0b
2a5f0b