21,38,43
#
in steps
000000 000000
000000
17252f 17252f
17252f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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16252e 16252e
16252e
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
16252d 16252d
16252d
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
15252c 15252c
15252c
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15262b
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7fff7f 7fff7f
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14262a 14262a
14262a
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142629 142629
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ff7fff
132628 132628
132628
ffff00 ffff00
ffff00
ffff7f ffff7f
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ffffff ffffff
ffffff
132727 132727
132727