C11111333133313232233133313331333132332313112113313331333131121232223131   >>    C1111133313331323223313331333133313233231311211331333133313112123222313   <<    C11111333133313232233133313331333132332313112113313331333131121232223133   >>      C11111333133313232233133313331333132332313112113313331333131121232223132   >>