Test passes if both halves of each of the pairs below are identical:

ـﺍ ـﺍ
ﺏـ ﺏـ
ـﺐـ ـﺐـ
ـﺏـ ـﺏـ
ـﺑـ ـﺑـ
ـﺏ ـﺏ