Function: minus(invert(numbers("xxx") if numbers('xry') > numbers("xxr") else numbers("xyx") if numbers("xxx") if numbers("xyx") > numbers('xry') else numbers("xxr") if numbers('xry') > numbers("xxx") else numbers("xxr") > invert(numbers('xry') if numbers("xxr") > numbers("xyx") else numbers("xxx") if numbers("xxx") > numbers("xxr") else numbers('xry')) else numbers('xry')), numbers("xxx") if numbers("xxr") > numbers("xyx") else numbers('xry') if numbers("xxx") if numbers("xxr") > numbers('xry') else numbers("xxr") if numbers("xxx") > numbers('xry') else numbers("xyx") > invert(numbers("xxx") if numbers('xry') > numbers("xxx") if numbers("xyx") > numbers('xry') else numbers("xxr") else numbers("xxr")) else numbers('xry'))