C222133313331333131123313231333133313331333132223133313331333232233313111   >>    C22213331333133313112331323133313331333133313222313331333133323223331311   <<    C222133313331333131123313231333133313331333132223133313331333232233313113   >>      C222133313331333131123313231333133313331333132223133313331333232233313112   >>