C11111333133313232233133313331333132313331323321313331333211232323131   >>    C1111133313331323223313331333133313231333132332131333133321123232313   <<    C11111333133313232233133313331333132313331323321313331333211232323133   >>      C11111333133313232233133313331333132313331323321313331333211232323132   >>