C13223313311212111133133313331333133313231323133213331311221123231333121323311   >>    C1322331331121211113313331333133313331323132313321333131122112323133312132331   <<    C13223313311212111133133313331333133313231323133213331311221123231333121323313   >>      C13223313311212111133133313331333133313231323133213331311221123231333121323312   >>