N(54) >= 5



                  -    -   -  -            -
   Let      A1 =  0    0   0  0      A2 =  0 
                  1   27  16  7            3
                 24   40   1 35            7
                 10   30  22 44            7
                  5   18  14 33            3
                 30   16  33 27            0
 
Again (as in Theorem 2.54) replace each column of [A1 | -A1 | A2] by
its 7 cyclic shifts. This gives a (45,9,1,1) QDM.