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