C13223313311212111133133313331333132333132312111133132313232211321   >>    C1322331331121211113313331333133313233313231211113313231323221132   <<    C13223313311212111133133313331333132333132312111133132313232211323   >>      C13223313311212111133133313331333132333132312111133132313232211322   >>