Riddle you are giving false information. You cannot be outside United States more that 30 months within last five years to be eligible for citizenship.
Here is eligibility worksheet.
http://www.uscis.gov/sites/default/files/USCIS/Resources/Citizenship%20&%20Naturalization%20Based%20Resources/A%20Guide%20to%20Naturalization/PDFs/M-480.pdf

And my parents applied for re-entry permit twice and both times it was approved without problem.