Function: product(100 *(min(minus(invert(product(numbers("xxy"), numbers("xxr"))), product(numbers("xxy"), numbers("xxr"))), invert(product(numbers("xxy"), numbers("xxr"))))), min(minus(invert(product(numbers("xxy"), numbers("xxr"))), product(numbers("xxy"), numbers("xxr"))), invert(product(numbers("xxy"), numbers("xxr")))))