C11111333133313232233133313331333132313331323321313331333131132233121   >>    C1111133313331323223313331333133313231333132332131333133313113223312   <<    C11111333133313232233133313331333132313331323321313331333131132233123   >>      C11111333133313232233133313331333132313331323321313331333131132233122   >>