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DB<100> @result=([1..3],[4..6],[7..9]) => ([1, 2, 3], [4, 5, 6], [7, 8, 9]) ... ] ]; => 1
DB<118> $Data::Dumper::Indent=0 => 0 ... DB<120> print Dumper \@result => 1 [[1,2,3],[4,5,6],[7,8,9]]