C13223313311212111133133313331323133313331323113313231323221232131   >>    C1322331331121211113313331333132313331333132311331323132322123213   <<    C13223313311212111133133313331323133313331323113313231323221232133   >>      C13223313311212111133133313331323133313331323113313231323221232132   >>