C13223313311212111133133313331323133313331323113313231323211312311   >>    C1322331331121211113313331333132313331333132311331323132321131231   <<    C13223313311212111133133313331323133313331323113313231323211312313   >>      C13223313311212111133133313331323133313331323113313231323211312312   >>