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PHP Notice: Use of undefined constant col_2 - assumed 'col_2' in /home/Qno9F2/prog.php on line 4
PHP Notice: Use of undefined constant col_1 - assumed 'col_1' in /home/Qno9F2/prog.php on line 5
PHP Notice: Use of undefined constant col_2 - assumed 'col_2' in /home/Qno9F2/prog.php on line 5
PHP Notice: Use of undefined constant col_1 - assumed 'col_1' in /home/Qno9F2/prog.php on line 6
PHP Notice: Use of undefined constant col_2 - assumed 'col_2' in /home/Qno9F2/prog.php on line 6
PHP Notice: Use of undefined constant col_1 - assumed 'col_1' in /home/Qno9F2/prog.php on line 7
PHP Notice: Use of undefined constant col_2 - assumed 'col_2' in /home/Qno9F2/prog.php on line 7
PHP Notice: Use of undefined constant col_1 - assumed 'col_1' in /home/Qno9F2/prog.php on line 8
PHP Notice: Use of undefined constant col_2 - assumed 'col_2' in /home/Qno9F2/prog.php on line 8
PHP Notice: Use of undefined constant col_1 - assumed 'col_1' in /home/Qno9F2/prog.php on line 9
PHP Notice: Use of undefined constant col_2 - assumed 'col_2' in /home/Qno9F2/prog.php on line 9