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

name = "A4"

edges = [[1, 4], [1, 2], [2, 3], [3, 4]]
nodes = [1, 2, 3, 4]
internal_masses = [m[1], m[2], m[3], m[4]]
external_masses = [M2, M2, M2, M2]

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

χ_generic = 15
f_vector = [8, 16, 14, 6]

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

D[1] = M2
χ[1] = 11
weights[1] = [[0, 0, 1, 1], [0, 1, 1, 0], [1, 0, 0, 1], [1, 1, 0, 0]]
computed_with[1] = ["PLD_sym", "PLD_num"]

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

D[2] = M2 - 1//4*s
χ[2] = 13
weights[2] = [[0, 0, 0, 1], [0, 1, 0, 0]]
computed_with[2] = ["PLD_num", "HyperInt"]

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

D[3] = M2 - 1//4*s - 1//4*t
χ[3] = 14
weights[3] = [[0, 0, 0, 0]]
computed_with[3] = ["PLD_num", "HyperInt"]

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

D[4] = M2 - 1//4*t
χ[4] = 13
weights[4] = [[0, 0, 1, 0], [1, 0, 0, 0]]
computed_with[4] = ["PLD_num", "HyperInt"]

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

D[5] = M2^2 - 2*M2*m[1] - 2*M2*m[2] + m[1]^2 - 2*m[1]*m[2] + m[2]^2
χ[5] = 14
weights[5] = [[-1, -1, 0, 0]]
computed_with[5] = ["PLD_sym", "HyperInt"]

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

D[6] = M2^2 - 2*M2*m[1] - 2*M2*m[4] + m[1]^2 - 2*m[1]*m[4] + m[4]^2
χ[6] = 13
weights[6] = [[-1, 0, 0, -1]]
computed_with[6] = ["PLD_sym", "HyperInt"]

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

D[7] = M2^2 - 2*M2*m[2] - 2*M2*m[3] + m[2]^2 - 2*m[2]*m[3] + m[3]^2
χ[7] = 14
weights[7] = [[0, -1, -1, 0]]
computed_with[7] = ["PLD_sym", "HyperInt"]

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

D[8] = M2^2 - 2*M2*m[3] - 2*M2*m[4] + m[3]^2 - 2*m[3]*m[4] + m[4]^2
χ[8] = 14
weights[8] = [[0, 0, -1, -1]]
computed_with[8] = ["PLD_sym", "HyperInt"]

################################
# Component 9
################################

D[9] = M2^2*s + M2*m[1]^2 - 2*M2*m[1]*m[3] - M2*m[1]*s + M2*m[3]^2 - M2*m[3]*s - 2*M2*m[4]*s + m[1]*m[3]*s - m[1]*m[4]*s - m[3]*m[4]*s + m[4]^2*s + m[4]*s^2
χ[9] = 14
weights[9] = [[-1, 0, -1, -1]]
computed_with[9] = ["PLD_num", "HyperInt"]

################################
# Component 10
################################

D[10] = M2^2*s + M2*m[1]^2 - 2*M2*m[1]*m[3] - M2*m[1]*s - 2*M2*m[2]*s + M2*m[3]^2 - M2*m[3]*s - m[1]*m[2]*s + m[1]*m[3]*s + m[2]^2*s - m[2]*m[3]*s + m[2]*s^2
χ[10] = 14
weights[10] = [[-1, -1, -1, 0]]
computed_with[10] = ["PLD_num", "HyperInt"]

################################
# Component 11
################################

D[11] = M2^2*s*t + M2*m[1]^2*t - 2*M2*m[1]*m[3]*t - M2*m[1]*s*t + M2*m[2]^2*s - 2*M2*m[2]*m[4]*s - M2*m[2]*s*t + M2*m[3]^2*t - M2*m[3]*s*t + M2*m[4]^2*s - M2*m[4]*s*t - 1//4*m[1]^2*t^2 - 1//2*m[1]*m[2]*s*t + m[1]*m[3]*s*t + 1//2*m[1]*m[3]*t^2 - 1//2*m[1]*m[4]*s*t + 1//2*m[1]*s*t^2 - 1//4*m[2]^2*s^2 - 1//2*m[2]*m[3]*s*t + 1//2*m[2]*m[4]*s^2 + m[2]*m[4]*s*t + 1//2*m[2]*s^2*t - 1//4*m[3]^2*t^2 - 1//2*m[3]*m[4]*s*t + 1//2*m[3]*s*t^2 - 1//4*m[4]^2*s^2 + 1//2*m[4]*s^2*t - 1//4*s^2*t^2
χ[11] = 14
weights[11] = [[-1, -1, -1, -1]]
computed_with[11] = ["PLD_num", "HyperInt"]

################################
# Component 12
################################

D[12] = M2^2*t + M2*m[2]^2 - 2*M2*m[2]*m[4] - M2*m[2]*t - 2*M2*m[3]*t + M2*m[4]^2 - M2*m[4]*t - m[2]*m[3]*t + m[2]*m[4]*t + m[3]^2*t - m[3]*m[4]*t + m[3]*t^2
χ[12] = 14
weights[12] = [[0, -1, -1, -1]]
computed_with[12] = ["PLD_num", "HyperInt"]

################################
# Component 13
################################

D[13] = M2^2*t - 2*M2*m[1]*t + M2*m[2]^2 - 2*M2*m[2]*m[4] - M2*m[2]*t + M2*m[4]^2 - M2*m[4]*t + m[1]^2*t - m[1]*m[2]*t - m[1]*m[4]*t + m[1]*t^2 + m[2]*m[4]*t
χ[13] = 14
weights[13] = [[-1, -1, 0, -1]]
computed_with[13] = ["PLD_num", "HyperInt"]

################################
# Component 14
################################

D[14] = m[1]
χ[14] = 14
weights[14] = [[-1, 0, 0, 0]]
computed_with[14] = ["PLD_sym"]

################################
# Component 15
################################

D[15] = m[1]^2 - 2*m[1]*m[3] - 2*m[1]*s + m[3]^2 - 2*m[3]*s + s^2
χ[15] = 14
weights[15] = [[-1, 0, -1, 0]]
computed_with[15] = ["PLD_sym", "HyperInt"]

################################
# Component 16
################################

D[16] = m[2]
χ[16] = 14
weights[16] = [[0, -1, 0, 0]]
computed_with[16] = ["PLD_sym"]

################################
# Component 17
################################

D[17] = m[2]^2 - 2*m[2]*m[4] - 2*m[2]*t + m[4]^2 - 2*m[4]*t + t^2
χ[17] = 14
weights[17] = [[0, -1, 0, -1]]
computed_with[17] = ["PLD_sym", "HyperInt"]

################################
# Component 18
################################

D[18] = m[3]
χ[18] = 14
weights[18] = [[0, 0, -1, 0]]
computed_with[18] = ["PLD_sym"]

################################
# Component 19
################################

D[19] = m[4]
χ[19] = 14
weights[19] = [[0, 0, 0, -1]]
computed_with[19] = ["PLD_sym", "PLD_num"]

################################
# Component 20
################################

D[20] = s
χ[20] = 11
weights[20] = [[0, 1, 0, 1]]
computed_with[20] = ["PLD_sym", "PLD_num"]

################################
# Component 21
################################

D[21] = t
χ[21] = 11
weights[21] = [[1, 0, 1, 0]]
computed_with[21] = ["PLD_num"]