C13223313311212111133133313331333132313231323112113313231333132232311   >>    C1322331331121211113313331333133313231323132311211331323133313223231   <<    C13223313311212111133133313331333132313231323112113313231333132232313   >>      C13223313311212111133133313331333132313231323112113313231333132232312   >>