21,0,134
#
in steps
000000 000000
000000
2a008e 2a008e
2a008e
00007f 00007f
00007f
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0000ff
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007f00
007f7f 007f7f
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24008c
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007fff
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1f008a 1f008a
1f008a
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7f007f 7f007f
7f007f
1a0088 1a0088
1a0088
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7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
150086 150086
150086
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7f7fff
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7fff7f 7fff7f
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0f0084 0f0084
0f0084
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0a0082 0a0082
0a0082
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
050080 050080
050080
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff