//generates up to 8 true random number values between mix and max value (0 and FFFF(4,294,967,295) possible) 
    //returns INVALID_RANDOM if generated number has modulo bias (outside of uint32 range of valid values)
    //splits up the block.rand into chunks of 8 bytes and returns value
    uint48 constant INVALID_RANDOM = 44444444444;
    function getRandomSet(
            uint8 randomNumberCount, uint32 minValue, uint32 maxValue) 
            public view  returns(uint48[8] memory  randomNumbers){
              
        require(minValue < maxValue, "Min value not less than maxvalue");
        require(randomNumberCount > 0 && randomNumberCount <=8, "Max of 8 total values.");
        uint48[8] memory randomNumberSet;
        bytes32 randomNumber = block.random; 
        uint32 possibleValues = (maxValue - minValue) + 1;
        uint32 randVal;
        for(uint8 i = 0; i != randomNumberCount; i++){
               randVal = (uint32(bytes4(randomNumber << 32 * i)));
               if(uint32(randVal) > (4294967295 / uint32(possibleValues)) * uint32(possibleValues))
                    //throw value out because it has modulo bias and makes odds uneven
                    randomNumberSet[i] = INVALID_RANDOM;
                else
                    randomNumberSet[i] = (randVal % possibleValues) + minValue;
        }
        //fill rest of values with invalid data
        for(uint8 i = randomNumberCount; i != 8; i++)
            randomNumberSet[i] = INVALID_RANDOM;
        
        return randomNumberSet;
    }