C11111333133313232233133313331333132332313112113313331311323331   >>    C1111133313331323223313331333133313233231311211331333131132333   <<    C11111333133313232233133313331333132332313112113313331311323333   >>      C11111333133313232233133313331333132332313112113313331311323332   >>