C222133313331333131123313231333133313331333132112323133313331311132312111   >>    C22213331333133313112331323133313331333133313211232313331333131113231211   <<    C222133313331333131123313231333133313331333132112323133313331311132312113   >>      C222133313331333131123313231333133313331333132112323133313331311132312112   >>