C13223313311212111133133313331333133313231323133213331323132211   >>    C1322331331121211113313331333133313331323132313321333132313221   <<    C13223313311212111133133313331333133313231323133213331323132213   >>      C13223313311212111133133313331333133313231323133213331323132212   >>