C11111333133313232233133313331333132313331323321313331333133313232321331121   >>    C1111133313331323223313331333133313231333132332131333133313331323232133112   <<    C11111333133313232233133313331333132313331323321313331333133313232321331123   >>      C11111333133313232233133313331333132313331323321313331333133313232321331122   >>