15,21,247
#
in steps
000000 000000
000000
1f2af0 1f2af0
1f2af0
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
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1b24f1
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00ff7f
171ff3 171ff3
171ff3
00ffff 00ffff
00ffff
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7f007f
131af5 131af5
131af5
7f00ff 7f00ff
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0f15f7
7f7fff 7f7fff
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ff7f7f
ff7fff ff7fff
ff7fff
0305fd 0305fd
0305fd
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff