041: The n-Fractions Puzzle

"""
PyCSP3 Model (see pycsp.org)

Execution:
  python Nfractions.py
"""

from pycsp3 import *

digits = VarArray(size=9, dom=range(1, 10))
a, b, c, d, e, f, g, h, i = digits

satisfy(
    AllDifferent(digits),

    a * (10 * e + f) * (10 * h + i) + d * (10 * b + c) * (10 * h + i) + g * (10 * b + c) * (10 * e * f) == (10 * b + c) * (10 * e + f) * (10 * h + i)
)