m=57, n=114; 2-{57;21,28;21}

A_1={1,2,7,8,12,14,15,18,22,24,27,36,40,41,48,49,50,51,52,54,56}

B_1={0,4,5,6,9,10,11,13,16,17,20,23,25,26,28,30,31,34,35,37,39,42,43,44,
45,46,47,55}

(2)
A_2={6,8,9,10,13,15,22,23,30,34,39,40,42,44,45,47,48,50,51,52,56}

B_2={0,1,2,4,5,7,11,12,14,16,17,18,20,24,25,26,27,28,31,35,36,37,41,43,46,
49,54,55}

Created 10th November 1999 by matrices supplied by Dr Christos Koukouvinos.
and published in

[3] C.Koukouvinos, S.Kounias, and J.Seberry, Supplementary difference sets and optimal designs, Discrete Math., 88 (1991), 49-58.