C222133313331333131123313231333133313331333132112323133313232233132332331121   >>    C22213331333133313112331323133313331333133313211232313331323223313233233112   <<    C222133313331333131123313231333133313331333132112323133313232233132332331123   >>      C222133313331333131123313231333133313331333132112323133313232233132332331122   >>