I33113313233313223313233313112132313231323133313223313231323222212121   >>    I3311331323331322331323331311213231323132313331322331323132322221212   <<    I33113313233313223313233313112132313231323133313223313231323222212123   >>      I33113313233313223313233313112132313231323133313223313231323222212122   >>