eigenvalue = -8 mult 1 eigenvalue = -4.57649 mult 6 eigenvalue = -4 mult 4 eigenvalue = -3.4641 mult 8 eigenvalue = -2 mult 12 eigenvalue = -1.74806 mult 6 eigenvalue = 0 mult 30 eigenvalue = 1.74806 mult 6 eigenvalue = 2 mult 12 eigenvalue = 3.4641 mult 8 eigenvalue = 4 mult 4 eigenvalue = 4.57649 mult 6 eigenvalue = 8 mult 1