C11111333133313232233133313331333132313331323321313331333133313331331122231131   >>    C1111133313331323223313331333133313231333132332131333133313331333133112223113   <<    C11111333133313232233133313331333132313331323321313331333133313331331122231133   >>      C11111333133313232233133313331333132313331323321313331333133313331331122231132   >>