def R1fs():
    '\n    \n    '
    A = ((((Uedg(a, ((t1 + t2) + t3)) * Ugde(f, ((t1 + t2) + t3))) * Uedg(f, (t1 + t2))) * Ugde(b, (t1 + t2))) * Uedg(b, t1))
    return evaluate_cumulant(A, positive_times=(t1, t2, t3), leading_index=a, arrays=['gg'])
def R1fs():
    '\n    \n    '
    A = ((((Uedg(a, ((t1 + t2) + t3)) * Ugde(f, ((t1 + t2) + t3))) * Uedg(f, (t1 + t2))) * Ugde(b, (t1 + t2))) * Uedg(b, t1))
    return evaluate_cumulant(A, positive_times=(t1, t2, t3), leading_index=a, arrays=['gg'])