C11111333133313232233133313331333133313331312111133133312111111331333133311111   >>    C1111133313331323223313331333133313331333131211113313331211111133133313331111   <<    C11111333133313232233133313331333133313331312111133133312111111331333133311113   >>      C11111333133313232233133313331333133313331312111133133312111111331333133311112   >>