C13223313311212111133133313331333132313331323312111133313231321   >>    C1322331331121211113313331333133313231333132331211113331323132   <<    C13223313311212111133133313331333132313331323312111133313231323   >>      C13223313311212111133133313331333132313331323312111133313231322   >>