by steps
000000 000000
000000
21a0b9 21a0b9
21a0b9
00007f 00007f
00007f
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0000ff
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007f7f
3c8cc1 3c8cc1
3c8cc1
007fff 007fff
007fff
00ff00 00ff00
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00ff7f 00ff7f
00ff7f
5878ca 5878ca
5878ca
00ffff 00ffff
00ffff
7f0000 7f0000
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7464d3 7464d3
7464d3
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7f7f7f
9050dc 9050dc
9050dc
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ab3ce4 ab3ce4
ab3ce4
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c728ed c728ed
c728ed
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
e314f6 e314f6
e314f6
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff