calculations [@sbordone02; @sbordone01]. These codes were compiled in Linux with the Intel Fortran compiler version 11.1.

[lrrr]{} $[$M/H$]$ & $-$5 & $-$3.5 & 0.5\
$[$C/M$]$ & $-$1 & 1 & 0.5\
$[\alpha$/M$]$ & $-$1 & 1 & 0.5\
$[$M/H$]$ & $-$3 & 0.5 & 0.25\
$[$C/M$]$ & $-$1.5 & 1 & 0.25\
$[\alpha$/M$]$ & $-$1.5 & 1 & 0.25\
$[$M/H$]$ & 1 & 1.5 & 0.5\
$[$C/M$]$ & $-$1.5 & 1 & 0.5\
$[\alpha$/M$]$ & $-$1.5 & 1 & 0.5\

[rrr]{} 1 & 1 & $-$1.5\
1 & 1 & $-$1\
1.5 & 0.5 & $-$1.5\
1.5 & 1 & $-$1.5\
1.5 & 1 & $-$1\
1.5 & 1 & $-$0.5\
1.5 & 1 & 0\

[lrrrrrr]{} M, N, R, K, G & 3500 & 6000 & 250 & 0 & 5 & 0.5\
F & 6250 & 8000 & 250 & 1 & 5 & 0.5\
A & 8250 & 12000 & 250 & 2 & 5 & 0.5\
B & 12500 & 20000 & 500 & 3 & 5 & 0.5\
B, O & 21000 & 30000 & 1000 & 4 & 5 & 0.5\

Our algorithm sets up the initial starting models from the grid provided by 