Matchsticks are ideal tools to represent numbers. A common way to represent the ten decimal digits with matchsticks is the following:
This is identical to how numbers are displayed on an ordinary alarm clock. With a given number of matchsticks you can generate a wide range of numbers. We are wondering what the smallest and largest numbers are that can be created by using all your matchsticks.
On the first line one positive number: the number of testcases, at most 100. After that per testcase:
Per testcase:
4 3 6 7 15
7 7 6 111 8 711 108 7111111