C31232233133313221211113313113313331333133313121111121121132311   >>    C3123223313331322121111331311331333133313331312111112112113231   <<    C31232233133313221211113313113313331333133313121111121121132313   >>      C31232233133313221211113313113313331333133313121111121121132312   >>