C3123223313331322121111331333131133133313331333131133131232313111   >>    C312322331333132212111133133313113313331333133313113313123231311   <<    C3123223313331322121111331333131133133313331333131133131232313113   >>      C3123223313331322121111331333131133133313331333131133131232313112   >>