C3123223313331322121111331333131133133313331333131133132313231322331   >>    C312322331333132212111133133313113313331333133313113313231323132233   <<    C3123223313331322121111331333131133133313331333131133132313231322333   >>      C3123223313331322121111331333131133133313331333131133132313231322332   >>