*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
{
symbol p11("p11"), p12("p12"), p21("p21"), p22("p22");
symbol a12("a12"), a21("a21"), a22("a22");
{
symbol p11("p11"), p12("p12"), p21("p21"), p22("p22");
symbol a12("a12"), a21("a21"), a22("a22");