C13223313311212111133133313331333132313231323331333133313233313331333112131   >>    C1322331331121211113313331333133313231323132333133313331323331333133311213   <<    C13223313311212111133133313331333132313231323331333133313233313331333112133   >>      C13223313311212111133133313331333132313231323331333133313233313331333112132   >>