G         < 12     13     14     15     16     17     18     19     20
sigma_0    5.0    7.7   12.3   19.8   32.4   55.4    102    208    466
sigma_pi   6.7   10.3   16.5   26.6   43.6   74.5    137    280    627
sigma_mu   3.5    5.4    8.7   14.0   22.9   39.2   72.3    147    330