perl tst.pl $VAR1 = [ [ '11', '12', '13', '14', '15', '16', '17' ], [ '21', '22', '23', '24', '25', '26', '27' ], [ '31', '32', '33', '34', '35', '36', '37' ], [ '41', '42', '43', '44', '45', '46', '47' ], [ '51', '52', '53', '54', '55', '56', '57' ] ]; 1st row, 3rd column: 13