C132233133112121111331333133313331323132313233313331333113313331311212121   >>    C13223313311212111133133313331333132313231323331333133311331333131121212   <<    C132233133112121111331333133313331323132313233313331333113313331311212123   >>      C132233133112121111331333133313331323132313233313331333113313331311212122   >>