SSD(25, 5^36) and SSD(25, 5^30) via Theorems 6 and 7 (n=2, s=5, k=6) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 2 3 4 0 1 1 2 3 4 0 1 1 2 3 4 0 1 1 2 3 4 0 1 1 2 3 4 0 0 2 2 2 2 2 2 4 1 3 0 2 2 4 1 3 0 2 2 4 1 3 0 2 2 4 1 3 0 2 2 4 1 3 0 2 0 3 3 3 3 3 3 4 2 0 3 1 3 4 2 0 3 1 3 4 2 0 3 1 3 4 2 0 3 1 3 4 2 0 3 1 0 4 4 4 4 4 4 1 0 4 3 2 4 1 0 4 3 2 4 1 0 4 3 2 4 1 0 4 3 2 4 1 0 4 3 2 1 1 2 3 4 0 0 1 1 1 1 1 1 2 3 4 0 1 2 0 2 4 1 3 3 0 3 1 4 2 4 2 1 0 4 3 1 2 3 4 0 1 1 2 3 4 0 1 2 0 2 4 1 3 3 0 3 1 4 2 4 2 1 0 4 3 0 1 1 1 1 1 1 3 4 0 1 2 2 0 2 4 1 3 3 0 3 1 4 2 4 2 1 0 4 3 0 1 1 1 1 1 1 2 3 4 0 1 1 4 0 1 2 3 3 0 3 1 4 2 4 2 1 0 4 3 0 1 1 1 1 1 1 2 3 4 0 1 2 0 2 4 1 3 1 0 1 2 3 4 4 2 1 0 4 3 0 1 1 1 1 1 1 2 3 4 0 1 2 0 2 4 1 3 3 0 3 1 4 2 2 4 1 3 0 2 0 2 2 2 2 2 2 1 3 0 2 4 4 3 2 1 0 4 1 3 4 0 1 2 3 1 4 2 0 3 2 0 2 4 1 3 1 3 4 0 1 2 3 1 4 2 0 3 0 2 2 2 2 2 2 1 3 0 2 4 4 3 2 1 0 4 2 1 3 0 2 4 2 1 3 0 2 4 4 3 2 1 0 4 1 3 4 0 1 2 3 1 4 2 0 3 0 2 2 2 2 2 2 2 4 1 3 0 3 1 4 2 0 3 0 2 2 2 2 2 2 1 3 0 2 4 4 3 2 1 0 4 1 3 4 0 1 2 2 3 0 2 4 1 4 3 2 1 0 4 1 3 4 0 1 2 3 1 4 2 0 3 0 2 2 2 2 2 2 1 3 0 2 4 3 4 2 0 3 1 0 3 3 3 3 3 3 2 0 3 1 4 1 4 0 1 2 3 4 4 3 2 1 0 2 2 4 1 3 0 3 0 3 1 4 2 1 4 0 1 2 3 4 4 3 2 1 0 2 2 4 1 3 0 0 3 3 3 3 3 3 2 0 3 1 4 3 1 4 2 0 3 2 2 4 1 3 0 0 3 3 3 3 3 3 2 0 3 1 4 1 4 0 1 2 3 4 4 3 2 1 0 3 2 0 3 1 4 3 2 0 3 1 4 1 4 0 1 2 3 4 4 3 2 1 0 2 2 4 1 3 0 0 3 3 3 3 3 3 3 1 4 2 0 4 4 3 2 1 0 2 2 4 1 3 0 0 3 3 3 3 3 3 2 0 3 1 4 1 4 0 1 2 3 4 1 0 4 3 2 0 4 4 4 4 4 4 0 4 3 2 1 3 3 1 4 2 0 2 3 0 2 4 1 1 0 1 2 3 4 4 2 1 0 4 3 1 0 1 2 3 4 0 4 4 4 4 4 4 0 4 3 2 1 3 3 1 4 2 0 2 3 0 2 4 1 4 3 2 1 0 4 2 3 0 2 4 1 1 0 1 2 3 4 0 4 4 4 4 4 4 0 4 3 2 1 3 3 1 4 2 0 4 4 3 2 1 0 3 3 1 4 2 0 2 3 0 2 4 1 1 0 1 2 3 4 0 4 4 4 4 4 4 0 4 3 2 1 4 0 4 3 2 1 4 0 4 3 2 1 3 3 1 4 2 0 2 3 0 2 4 1 1 0 1 2 3 4 0 4 4 4 4 4 Notes: (i) All columns form an SSD(25, 5^36) with overall A2=360; the possible projected A2 values are 0, 16/25 and 4/5 with frequencies 105, 375 and 150. (ii) Removing columns (1, 7, 13, 19, 25, 31) yields an SSD(25, 5^30) with overall A2=240; the possible projected A2 values are 0 and 16/25 with frequencies 60 and 375.