C3213322333133313113313221211113313331333131121232312133322123311   >>    C321332233313331311331322121111331333133313112123231213332212331   <<    C3213322333133313113313221211113313331333131121232312133322123313   >>      C3213322333133313113313221211113313331333131121232312133322123312   >>