     8
     5      9      8
     2      3      6
     4      8      7
     5      6      9
     4      5      8
     2      6      5
     1      5      4
     1      2      5

/***************************************************************
 *                    simula+@metz.ensam.fr                    *
 *                   GNU/linux version 0.0.2                   *
 *            software under General Public License            *
 ***************************************************************
 * copyright  2006 CREUSE Emmanuel
 * copyright  Laboratoire de Physique et Mcanique des Matriaux (LPMM - UMR 7554)
 * copyright  Laboratoire de Mathmatiques et ses Applications de Valenciennes (LAMAV - EA 4015)
 ***************************************************************/

/*
    21.txt belongs to Mathematical Object Libraries (FEMOL++)
    FEMOL++ is part of Simula+

    Simula+ is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    Simula+ is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Simula+; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/