C1311213331333132332133313331333133313331333132322331311331323323131   >>    C131121333133313233213331333133313331333133313232233131133132332313   <<    C1311213331333132332133313331333133313331333132322331311331323323133   >>      C1311213331333132332133313331333133313331333132322331311331323323132   >>