C13332313311211113313331333133313331323132233132322331313311232313321   >>    C1333231331121111331333133313331333132313223313232233131331123231332   <<    C13332313311211113313331333133313331323132233132322331313311232313323   >>      C13332313311211113313331333133313331323132233132322331313311232313322   >>