C222133313331333131123313231333133313331333132322331123313331311331322123311   >>    C22213331333133313112331323133313331333133313232233112331333131133132212331   <<    C222133313331333131123313231333133313331333132322331123313331311331322123313   >>      C222133313331333131123313231333133313331333132322331123313331311331322123312   >>