C111123313121111121111331333133313231323132322331333131133131112121   >>    C11112331312111112111133133313331323132313232233133313113313111212   <<    C111123313121111121111331333133313231323132322331333131133131112123   >>      C111123313121111121111331333133313231323132322331333131133131112122   >>