function encode(string memory _string1, uint _uint, string       memory _string2) public pure returns (bytes memory) {
        return (abi.encode(_string1, _uint, _string2));
    }

function decode(bytes memory data) public pure returns (string memory _str1, uint _number, string memory _str2) {
        (_str1, _number, _str2) = abi.decode(data, (string, uint, string));            
    }