C31232233133313221211113313331311331333131323132333132311211311   >>    C3123223313331322121111331333131133133313132313233313231121131   <<    C31232233133313221211113313331311331333131323132333132311211313   >>      C31232233133313221211113313331311331333131323132333132311211312   >>