4

Po     -0.093033283607011      0.065413202183279      0.092124651700520
Po      1.562463479373601      1.701903602726967      0.267010958027344
Po      1.450433067543280      0.112021792404197      1.246063603099360
Po      0.367175935516572      1.599846192911268      1.797104130414328