by steps
000000 000000
000000
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bf32d3
00007f 00007f
00007f
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0000ff
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c030d4
007fff 007fff
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00ff00 00ff00
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00ff7f
c12fd6 c12fd6
c12fd6
00ffff 00ffff
00ffff
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c22dd7 c22dd7
c22dd7
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c42cd9
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c52bda
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c629dc c629dc
c629dc
ff7f00 ff7f00
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
c728dd c728dd
c728dd
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
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c927df