"CODE" 34251;
    "PROCEDURE" GSSITISOL(A, N, AUX, B); "VALUE" N; "INTEGER" N;
    "ARRAY" A, AUX, B;
    "BEGIN" "INTEGER" I, J;
        "ARRAY" AA[1:N,1:N];
        "INTEGER" "ARRAY" RI, CI[1:N];
        DUPMAT(1, N, 1, N, AA, A);
        GSSELM(A, N, AUX, RI, CI);
        "IF" AUX[3] = N "THEN" ITISOL(AA, A, N, AUX, RI, CI, B)
    "END" GSSITISOL;
        "EOP"