137,21,2
#
in steps
000000 000000
000000
8f2104 8f2104
8f2104
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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007fff
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00ff7f
8c1b03 8c1b03
8c1b03
00ffff 00ffff
00ffff
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860f01 860f01
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840c01 840c01
840c01
ffff00 ffff00
ffff00
ffff7f ffff7f
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ffffff ffffff
ffffff
830901 830901
830901