C11111333133313232233133313331333132332313112113313331333133313111111331   >>    C1111133313331323223313331333133313233231311211331333133313331311111133   <<    C11111333133313232233133313331333132332313112113313331333133313111111333   >>      C11111333133313232233133313331333132332313112113313331333133313111111332   >>