C13223313311212111133133313331333132333133313331323131123313331121131211211   >>    C1322331331121211113313331333133313233313331333132313112331333112113121121   <<    C13223313311212111133133313331333132333133313331323131123313331121131211213   >>      C13223313311212111133133313331333132333133313331323131123313331121131211212   >>