C13223313311212111133133313331323133313331323132322121111132311211233121   >>    C1322331331121211113313331333132313331333132313232212111113231121123312   <<    C13223313311212111133133313331323133313331323132322121111132311211233123   >>      C13223313311212111133133313331323133313331323132322121111132311211233122   >>