In four$-$way intersections $($a$),32$ conflict points are existed between vehicles and pedestrians as shown below. In case of three$-$way intersection $($b$),$ how many conflict points are present? Please show your mark in the figure $($a$)$ to get full credit. $(20\%)$

$($a$)$ Four$-$way intersection

$($b$)$ three$-$way intersection