C13223313311212111133133313331333132333133313331323133312111113213231311   >>    C1322331331121211113313331333133313233313331333132313331211111321323131   <<    C13223313311212111133133313331333132333133313331323133312111113213231313   >>      C13223313311212111133133313331333132333133313331323133312111113213231312   >>