C222133313331333131123313231333133313331333132112323133313232211212331   >>    C22213331333133313112331323133313331333133313211232313331323221121233   <<    C222133313331333131123313231333133313331333132112323133313232211212333   >>      C222133313331333131123313231333133313331333132112323133313232211212332   >>