4

At      0.253868587159941      0.307946947408459      0.183647773583651
At      1.612783152313086      1.655695191760726      0.268453646616032
At      1.432568650995495      0.089724258581641      1.230176960356329
At      0.211300534027938      1.249592656673520      1.700498551045106