C11111333133313232233133313331333132313331323321313331333131331121   >>    C1111133313331323223313331333133313231333132332131333133313133112   <<    C11111333133313232233133313331333132313331323321313331333131331123   >>      C11111333133313232233133313331333132313331323321313331333131331122   >>