DIM = 5



CONE_SECTION
( 1) 1  0  0  0  0 
( 2) 1 -1  0  0  0 
( 3) 1  0 -1  0  0
( 4) 1  0  0 -1  0
( 5) 1 -1  0 -1  1
( 6) 1  0  0  0 -1

COMMENT

This is an input file for PORTA.  (PORTA reads only the part before 
"COMMENT".)  Above are the l-vectors of some half-Eulerian limit 
posets.  When the PORTA command "traf -v" is run on this file, it 
produces the output below: the list of inequalities and the strong 
validity table.

_________________________________________________________________________

DIM = 5

VALID
0 0 0 0 0 

INEQUALITIES_SECTION
(  1)          +x4    <= 0    
(  2)       +x3       <= 0    
(  3)    +x2          <= 0    
(  4)          +x4+x5 <= 0    
(  5)    +x2      +x5 <= 0    
(  6) -x1-x2-x3-x4-x5 <= 0    

strong validity table : 
\ P      |         |
 \ O     |         |
I \ I    |         |
 N \ N   | 1     6 | #
  E \ T  |         |
   Q \ S |         |
    S \  |         |
       \ |         |
-----------------------
1        | ***.. * :  4
2        | **.** * :  5
3        | *.**. * :  4
4        | ***.* . :  4
5        | *.*** . :  4
6        | .**** * :  5
          .............
#        | 54544 4

END