C11111333133313232233133313331333133313331311331333132313131131   >>    C1111133313331323223313331333133313331333131133133313231313113   <<    C11111333133313232233133313331333133313331311331333132313131133   >>      C11111333133313232233133313331333133313331311331333132313131132   >>