I33113313233313223313233313112132313231323133313223313232233132313231323112121   >>    I3311331323331322331323331311213231323132313331322331323223313231323132311212   <<    I33113313233313223313233313112132313231323133313223313232233132313231323112123   >>      I33113313233313223313233313112132313231323133313223313232233132313231323112122   >>