C13223313311212111133133313331323133313331323132322121111113313111212131   >>    C1322331331121211113313331333132313331333132313232212111111331311121213   <<    C13223313311212111133133313331323133313331323132322121111113313111212133   >>      C13223313311212111133133313331323133313331323132322121111113313111212132   >>