C11111333133313232233133313331333133313331312111133133312331131   >>    C1111133313331323223313331333133313331333131211113313331233113   <<    C11111333133313232233133313331333133313331312111133133312331133   >>      C11111333133313232233133313331333133313331312111133133312331132   >>