C31232233133313221211113313331333133313113311331333131333223331   >>    C3123223313331322121111331333133313331311331133133313133322333   <<    C31232233133313221211113313331333133313113311331333131333223333   >>      C31232233133313221211113313331333133313113311331333131333223332   >>