C11111333133313232233133313331333132332313112113313331323221211113313131131   >>    C1111133313331323223313331333133313233231311211331333132322121111331313113   <<    C11111333133313232233133313331333132332313112113313331323221211113313131133   >>      C11111333133313232233133313331333132332313112113313331323221211113313131132   >>