C132233133112121111331333133313331311331313331323133313233311223231   >>    C13223313311212111133133313331333131133131333132313331323331122323   <<    C132233133112121111331333133313331311331313331323133313233311223233   >>      C132233133112121111331333133313331311331313331323133313233311223232   >>