C31232233133313221211113313331311331333133313113313331333133313331333131333111   >>    C3123223313331322121111331333131133133313331311331333133313331333133313133311   <<    C31232233133313221211113313331311331333133313113313331333133313331333131333113   >>      C31232233133313221211113313331311331333133313113313331333133313331333131333112   >>