Function: minus(product(min(numbers('xry') if numbers("per") > noise(numbers('xry')) else numbers("xyx"), noise(numbers('xry'))), numbers("per") if noise(numbers('xry')) > numbers('xry') else numbers("xyx")), min(numbers("per") if noise(numbers('xry')) > numbers('xry') else numbers("xyx"), noise(numbers('xry'))))
