by steps
000000 000000
000000
70a1bd 70a1bd
70a1bd
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
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7194ae
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007fff
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72879f 72879f
72879f
00ffff 00ffff
00ffff
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7f007f
737b90 737b90
737b90
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746e81
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756172
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765563
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ff7f7f
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ff7fff
774854 774854
774854
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ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
793c46 793c46
793c46