by steps
000000 000000
000000
70ad76 70ad76
70ad76
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00007f
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0000ff
007f00 007f00
007f00
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70a276
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007fff
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00ff7f
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719777
00ffff 00ffff
00ffff
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728c77 728c77
728c77
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738178
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756b79
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ff7f7f
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ff7fff
766079 766079
766079
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ffff00
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ffff7f
ffffff ffffff
ffffff
77567a 77567a
77567a