m

 g++ 

h  x  x  x  x  x  x  x  x  x  x  x  x  x  x  x  x  
0  x                                            x  
1  x                                            x  
2  x                                            x  
3  x                                            x  
4  x                                            x  
5  x                                            x  
6  x                                            x  
7  x                                            x  
8  x                                            x  
9  x                                            x  
10 x                                            x  
11 x                                            x  
12 x                                            x  
13 x                                            x  
h  x  x  x  x  x  x  x  x  x  x  x  x  x  x  x  x  
   q  0  1  2  3  4  5  6  7  8  9  10 11 12 13 q