18,27,137
#
in steps
000000 000000
000000
17238c 17238c
17238c
00007f 00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
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15218b
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141f8a 141f8a
141f8a
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0e1586 0e1586
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ffff00 ffff00
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ffff7f
ffffff ffffff
ffffff
0d1386 0d1386
0d1386