C222133313331333131123313231333133313331333132112323133313232213331311   >>    C22213331333133313112331323133313331333133313211232313331323221333131   <<    C222133313331333131123313231333133313331333132112323133313232213331313   >>      C222133313331333131123313231333133313331333132112323133313232213331312   >>