MAIN

a   b   c   d   e
------------------  |
3   4   1   2   1   |
                    |
                    | 
        0   2       | 
3   0               |
                48  |   



         e=f(&b,a,f(&c,c+c,b+b,&d),&a)




                         DUNGEON
                              
                           4  3     16                3
                          &b| a | f(&c,c+c,b+b,&d) | &a
                            |   |                  |         /
                         ===============================    /
                    sum   *b| d |       a          | *c    /
                     -----------------------------------  /
                           4  3        16            3   /   DUNGEON
             21            0                             |
             22     13                                   |      1 1+1 4+4   2
             23              13                         /      &c|c+c|b+b| &d 
                                                       /      ================
                      envelo 48                       /   sum| *b| d |a  | *c 
                                                     /    --------------------  
                                                    /           1| 2 |8  |  2 
                                                   /    21      0
                                                  /     22 6   
                                                 /      23         6
                                                /     
                                                         envelo 16




OUTPUT
------------------------
8 0 2 6                |
                       |
16 0 3 13              |
3  0 0  2 48           |
                       |