C222133313331333131123313231333133313331313113313331333132112313231321   >>    C22213331333133313112331323133313331333131311331333133313211231323132   <<    C222133313331333131123313231333133313331313113313331333132112313231323   >>      C222133313331333131123313231333133313331313113313331333132112313231322   >>