by steps
000000 000000
000000
cb2921 cb2921
cb2921
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
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007f7f
c72822 c72822
c72822
007fff 007fff
007fff
00ff00 00ff00
00ff00
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00ff7f
c42723 c42723
c42723
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
c12625 c12625
c12625
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be2626
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7fffff
ba2527 ba2527
ba2527
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b72429
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ff7f7f ff7f7f
ff7f7f
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ff7fff
b4232a b4232a
b4232a
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
b1232c b1232c
b1232c