//movement upwards
         for (i=0;i<h;i++){
            for (j=0;j<b;j++){
                if(mapa[i][j]==help){
                    aux=mapa[i-1][j];
                    mapa[i-1][j]=mapa[i][j];
                    mapa[i][j]=aux;
                    break;
                    break;
                }
        }
        }
//movement to the left
        for (i=0;i<h;i++){
            for (j=0;j<b;j++){
                if(mapa[i][j]==help){
                    aux=mapa[i][j-1];
                    mapa[i][j-1]=mapa[i][j];
                    mapa[i][j]=aux;
                    break;
                    break;
                }
        }
        }
//movement to the right
        for (i=0;i<h;i++){
            for (j=0;j<b;j++){
                if(mapa[i][j]==help){
                    aux=mapa[i][j+1];
                    mapa[i][j+1]=mapa[i][j];
                    mapa[i][j]=aux;
                    break;
                    break;
                }
        }
        }

for (i=0;i<h;i++){
        for (j=0;j<b;j++){
            if(mapa[i][j]==help){
                aux=mapa[i+1][j];
                mapa[i+1][j]=mapa[i][j];
                mapa[i][j]=aux;
                break;
                break;
            }
    }
    }