################################
# Diagram information
################################

name = "par"

edges = [[1, 4], [3, 1], [3, 4], [3, 4]]
nodes = [1, 1, 3, 4]
internal_masses = [m2, m2, m2, m2]
external_masses = [M2, M2, M2, M2]

U = x[1]*x[3] + x[1]*x[4] + x[2]*x[3] + x[2]*x[4] + x[3]*x[4]
F = -m2*x[1]^2*x[3] - m2*x[1]^2*x[4] + (-2*m2 + s)*x[1]*x[2]*x[3] + (-2*m2 + s)*x[1]*x[2]*x[4] - m2*x[1]*x[3]^2 + (M2 - 3*m2)*x[1]*x[3]*x[4] - m2*x[1]*x[4]^2 - m2*x[2]^2*x[3] - m2*x[2]^2*x[4] - m2*x[2]*x[3]^2 + (M2 - 3*m2)*x[2]*x[3]*x[4] - m2*x[2]*x[4]^2 - m2*x[3]^2*x[4] - m2*x[3]*x[4]^2
parameters = [M2, m2, s]
variables = [x[1], x[2], x[3], x[4]]

χ_generic = 19
f_vector = [15, 33, 27, 9]

################################
# Component 1
################################

D[1] = M2
χ[1] = 13
weights[1] = [[-1, 0, -1, -1], [0, -1, -1, -1], [0, 1, 0, 0], [1, 0, 0, 0]]
computed_with[1] = ["PLD_sym", "PLD_num"]

################################
# Component 2
################################

D[2] = M2 - 1//4*s
χ[2] = 16
weights[2] = [[-1, -1, -1, -1], [0, 0, 0, 0]]
computed_with[2] = ["PLD_num", "HyperInt"]

################################
# Component 3
################################

D[3] = M2 - 9*m2
χ[3] = 17
weights[3] = [[-1, 0, -1, -1], [0, -1, -1, -1]]
computed_with[3] = ["PLD_sym", "HyperInt"]

################################
# Component 4
################################

D[4] = M2 - m2
χ[4] = 11
weights[4] = [[-1, 0, -1, -1], [0, -1, -1, -1], [-1, -1, -1, -1]]
computed_with[4] = ["PLD_sym", "PLD_num", "HyperInt"]

################################
# Component 5
################################

D[5] = M2^2 - 10*M2*m2 + 9*m2^2 + 4*m2*s
χ[5] = 18
weights[5] = [[-1, -1, -1, -1]]
computed_with[5] = ["PLD_num", "HyperInt"]

################################
# Component 6
################################

D[6] = m2
χ[6] = 4
weights[6] = [[-1, 0, 0, 1], [-1, 0, 1, 0], [0, 1, -1, 1], [0, 1, 1, -1], [0, -1, 0, 1], [0, -1, 1, 0], [1, 0, -1, 1], [1, 0, 1, -1], [1, 1, -1, 0], [1, 1, 0, -1], [-1, 0, 0, 0], [-1, 0, -1, 0], [-1, 0, 0, -1], [0, 0, -1, 1], [0, 1, -1, 0], [0, 0, 1, -1], [0, 1, 0, -1], [0, -1, 0, 0], [0, -1, -1, 0], [0, -1, 0, -1], [1, 0, -1, 0], [1, 0, 0, -1], [0, 0, -1, -1], [0, 0, -1, 0], [0, 0, 0, -1]]
computed_with[6] = ["PLD_sym"]

################################
# Component 7
################################

D[7] = m2 - 1//4*s
χ[7] = 16
weights[7] = [[-1, -1, 0, 1], [-1, -1, 1, 0], [-1, -1, 0, 0]]
computed_with[7] = ["PLD_sym", "HyperInt"]

################################
# Component 8
################################

D[8] = s
χ[8] = 7
weights[8] = [[-1, -1, 0, 1], [-1, -1, 1, 0], [-1, -1, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]
computed_with[8] = ["PLD_sym", "PLD_num"]