C222133313331333131123313231333133313331313113313233313231323223331   >>    C22213331333133313112331323133313331333131311331323331323132322333   <<    C222133313331333131123313231333133313331313113313233313231323223333   >>      C222133313331333131123313231333133313331313113313233313231323223332   >>