C13332313311211113313331333133313133313232233132313331311331322321   >>    C1333231331121111331333133313331313331323223313231333131133132232   <<    C13332313311211113313331333133313133313232233132313331311331322323   >>      C13332313311211113313331333133313133313232233132313331311331322322   >>