21,72,42
#
in steps
000000 000000
000000
1f4529 1f4529
1f4529
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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1c4529 1c4529
1c4529
007fff 007fff
007fff
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1a4629 1a4629
1a4629
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
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17472a 17472a
17472a
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15482a 15482a
15482a
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7fffff 7fffff
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12482a 12482a
12482a
ff0000 ff0000
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10492b 10492b
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ff7fff ff7fff
ff7fff
0d4a2b 0d4a2b
0d4a2b
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0b4b2c 0b4b2c
0b4b2c