C31232233133313221211113313331333133313113311331333131121213311   >>    C3123223313331322121111331333133313331311331133133313112121331   <<    C31232233133313221211113313331333133313113311331333131121213313   >>      C31232233133313221211113313331333133313113311331333131121213312   >>