A :=[[3, 4, 2, -1, -5], [-4, 1, -5, 3, 2], [3, 1, 4, 5, -2], [1, -4, 5, 3, -2], [4, -1, 3, -2, 5], [2, -4, 3, 1, 5], [2, -1, 3, 4, 5]]: 4 megoldás