C111123313121111121111331333133313331323131333131133133313231322331   >>    C11112331312111112111133133313331333132313133313113313331323132233   <<    C111123313121111121111331333133313331323131333131133133313231322333   >>      C111123313121111121111331333133313331323131333131133133313231322332   >>