C31232233133313221211113313331333133313113311331333133323131133133313232333131   >>    C3123223313331322121111331333133313331311331133133313332313113313331323233313   <<    C31232233133313221211113313331333133313113311331333133323131133133313232333133   >>      C31232233133313221211113313331333133313113311331333133323131133133313232333132   >>