Function: logn(noise(minus(numbers("xxy") if invert(numbers("xxr") if numbers('xyy') > numbers("xxr") else numbers("xxy")) > numbers("xxr") if numbers("xxy") > numbers("xxr") else numbers('xyy') else numbers("xxr"), invert(numbers("xxr") if numbers('xyy') > numbers("xxr") else numbers("xxy")))))
