My ones digit is 1.My tens digit is 2 ore than my ones digit.My thousands digit is the difference when my tens digit is subtracted from my hundreds digit.what number am I?

My ones digit is 1 ---- xxx1

My tens digit is 2 ore than my ones digit --- xx31

My thousands digit is the difference when my tens digit is subtracted from my hundreds digit
---->
6931
5831
4731
3631
2531
1431