D11313232233131133131231323132313231323132313223313232233132311112331   >>    D1131323223313113313123132313231323132313231322331323223313231111233   <<    D11313232233131133131231323132313231323132313223313232233132311112333   >>      D11313232233131133131231323132313231323132313223313232233132311112332   >>