eigenvalue = -7	mult 1
eigenvalue = -3.46193	mult 3
eigenvalue = -3.35203	mult 3
eigenvalue = -3.15633	mult 3
eigenvalue = -2.52543	mult 3
eigenvalue = -2.1683	mult 3
eigenvalue = -1.6309	mult 3
eigenvalue = -1	mult 6
eigenvalue = -0.278197	mult 3
eigenvalue = 0.278197	mult 3
eigenvalue = 1	mult 6
eigenvalue = 1.6309	mult 3
eigenvalue = 2.1683	mult 3
eigenvalue = 2.52543	mult 3
eigenvalue = 3.15633	mult 3
eigenvalue = 3.35203	mult 3
eigenvalue = 3.46193	mult 3
eigenvalue = 7	mult 1