20,4,156
#
in steps
000000 000000
000000
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
050186 050186
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00ff7f 00ff7f
00ff7f
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0a028d
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0f0394
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7f7f00
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14049c 14049c
14049c
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1905a3 1905a3
1905a3
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ff7fff
2307b1 2307b1
2307b1
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2909b9 2909b9
2909b9