以下Perl程序的输出结果是下列哪个选项?
$name="123ab456"; $name =~ m/\d\d/g; print "$&,",pos $name,","; $name =~ m/\d\d/g; print "$&,",pos $name,"";
12,1,45,6
12,2,45,7
1,1,2,2
12,2,45,6
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