“…The dotted lines divide signed digraphs into two structurally balanced parts. And the corresponding weights are given as follows state 1 d (1) 2,1 = d (1) 8,7 = d (1) 11,4 = 0.02; d (1) 3,2 = d (1) 7,6 = d (1) 11,10 = 0.0109; d (1) 8,1 = d (1) 12,11 = −0.0201; d (1) 4,3 = d (1) 6,5 = d (1) 9,8 = d (1) 12,9 = 0.021; d (1) 4,5 = −0.02; d (1) 10,9 = −0.0109; state 2 d (2) 1,10 = d (2) 4,3 = 0.044; d (2) 2,1 = 0.079; d (2) 3,11 = 0.077; d (2) 5,12 = d (2) 8,7 = d (2) 10,2 = 0.07; d (2) 6,5 = 0.033; d (2) 6,12 = 0.045; d (2) 9,7 = 0.049; d (2) 11,9 = −0.077; d (2) 12,10 = −0.072; and other weights are 0. It is clear that the signed digraph ( u , (d qp ) 12×12 ), where d qp = max i∈S {c (i) |d (i) qp |}, is strongly connected.…”