The number of relations, on the set $\{ 1,2,3 \}$ containing $( 1,2 )$ and $( 2,3 )$ which are reflexive and transitive but not symmetric, is $\_\_\_\_$ .
The number of relations, on the set $\{ 1,2,3 \}$ containing $( 1,2 )$ and $( 2,3 )$ which are reflexive and transitive but not symmetric, is $\_\_\_\_$ .