I33113313233313223313233313112132313231323133313223313232213231221   >>    I3311331323331322331323331311213231323132313331322331323221323122   <<    I33113313233313223313233313112132313231323133313223313232213231223   >>      I33113313233313223313233313112132313231323133313223313232213231222   >>