C222133313331333131123313231333133313331333131123313331311323331323211331331   >>    C22213331333133313112331323133313331333133313112331333131132333132321133133   <<    C222133313331333131123313231333133313331333131123313331311323331323211331333   >>      C222133313331333131123313231333133313331333131123313331311323331323211331332   >>