by steps
000000 000000
000000
788611 788611
788611
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00007f
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0000ff
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007f7f 007f7f
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728c20 728c20
728c20
007fff 007fff
007fff
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00ff7f
6c932f 6c932f
6c932f
00ffff 00ffff
00ffff
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7f007f
66993e 66993e
66993e
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60a04e 60a04e
60a04e
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5aa65d 5aa65d
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54ad6c 54ad6c
54ad6c
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ff7f7f
ff7fff ff7fff
ff7fff
4eb37b 4eb37b
4eb37b
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
49ba8b 49ba8b
49ba8b