LS = [...
    1    2.2997   -0.7599    1;
    1    2.3502   -0.7007    1; 
    1    0.8002    0.1388   -1;
    1    1.9782   -1.1337    1;
    1   -1   -1   -1;
    1    0.9192   -1.8048    1;
    1    2.4043    1.6935   -1;
    1    1.4565    0.9357   -1;
    1    1.6000   -1.6000    1;
    1    0.7835    1.3278   -1;
    1    2.1000         0    1;
    1    1.7361    1.6601   -1;
    1         0   -2.5000    1;
    1         0    1   -1;
    1    2.3255    0.3225    1;
    1    1         0   -1;    
    1    1.9426    0.1224   -1;
    1    2.0348   -0.4556    1;   
    1    1.3854    0.6135   -1;
    1    2.3215   -0.8940    1;   
    1    0.8190    1.8351   -1;
    1    2.1000   -0.0253    1;    
    1    2.5275    1.5350   -1;
    1    1.1546   -1.1599    1;
    1    1.7151    1.5221   -1;
    1    1.3930   -0.7635    1;
    1    1.0533   -0.0791   -1;
    1    1.6514   -0.4110    1;   
    1    1.0538    1.2659   -1;
    1    1.5568   -0.7761    1;
    1    1.1379   -0.5404   -1;
    1    2.2877    0.0130    1;
    1    0.6419    1.8442   -1;
    1    2.3845    0.3472    1;
    1    1.9899    0.9384   -1;
    1    0.8443   -1.4183    1;
    1    2.0937    1.2539   -1;
    1    2.1771   -0.1369    1;
    1    0.9996    1.7797   -1;
    1    1.7287   -0.8258    1;
    1         0         0   -1;  
    1    2.4685   -0.5716    1;
    1    1.5674   -0.6067    1];