['INCREASE']
['INCREASE', 'X']
['INCREASE', 'X', 'INCREASE']
['INCREASE', 'X', 'INCREASE', 'X']
['INCREASE', 'X', 'INCREASE', 'X', 'INCREASE']
['INCREASE', 'X', 'INCREASE', 'X', 'INCREASE', 'X']
PRINT X  
['INCREASE', 'X', 'INCREASE', 'X', 'INCREASE', 'X', 'PRINT']
['INCREASE', 'X', 'INCREASE', 'X', 'INCREASE', 'X', 'PRINT', 'X']
3