rates ×1.100000 and ×1.100000; same χ² to 1e-10: True
     gamma0    gamma1     gamma2  chi_squared  success
0 3.011e+12 5.981e+12  1.533e+12        142.1     True
1 3.011e+12 5.981e+12 -1.533e+12        142.1     True
warned of a different solution: True
