20,2,251
#
in steps
000000 000000
000000
2804f7 2804f7
2804f7
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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2303f8 2303f8
2303f8
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00ff7f
1e03f9 1e03f9
1e03f9
00ffff 00ffff
00ffff
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1902fa 1902fa
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1402fb 1402fb
1402fb
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0f01fc 0f01fc
0f01fc
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0a01fd 0a01fd
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
0500fe 0500fe
0500fe
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff