[ - 1.0 ] * Sum ( h3 ) * f ( h3 h1 ) * x ( p2* h3 ) [ + 1.0 ] * Sum ( h3 p4 ) * f ( h3 p4 ) * x ( p4 p2* h3 h1 ) [ + 0.5 ] * Sum ( h3 h4 p5 ) * v ( h3 h4 h1 p5 ) * x ( p5 p2* h3 h4 ) [ - 1.0 ] * Sum ( h3 p4 ) * f ( h3 p4 ) * t ( p4 h1 ) * x ( p2* h3 ) [ - 1.0 ] * Sum ( p3 h4 h5 ) * t ( p3 h4 ) * v ( h5 h4 h1 p3 ) * x ( p2* h5 ) [ - 0.5 ] * Sum ( p3 h4 h5 p6 ) * t ( p3 h1 ) * v ( h4 h5 p6 p3 ) * x ( p6 p2* h4 h5 ) [ + 1.0 ] * Sum ( p3 h4 h5 p6 ) * t ( p3 h4 ) * v ( h5 h4 p6 p3 ) * x ( p6 p2* h5 h1 ) [ + 0.5 ] * Sum ( p3 p4 h5 h6 ) * t ( p3 p4 h5 h1 ) * v ( h6 h5 p3 p4 ) * x ( p2* h6 ) [ + 1.0 ] * Sum ( p3 p4 h5 h6 ) * t ( p3 h1 ) * t ( p4 h5 ) * v ( h6 h5 p4 p3 ) * x ( p2* h6 )