Let the relation R on $\{1,2,3\}$ be given by the following table:

R $123$

$1$

$2$ X X

$3$ X X

Which elements need to be added to R to make it symmetric? Check all that are required.

Group of answer choices

$(1,3)$

$(3,2)$

$(1,1)$

$(2,1)$

$(1,2)$