What is the value of 3+13+13+13?3+\frac{1}{3+\frac{1}{3+\frac13}}?3+3+3+3111?
3110\frac{31}{10}1031
4915\frac{49}{15}1549
3310\frac{33}{10}1033
10933\frac{109}{33}33109
154\frac{15}{4}415