'Data file sal-wri1.dat: Names of output files' 1 / only two-point rays will be stored 'r .out' 'r i.out' 't .out' / 's0 .out' 's0 i.out' '1' / / '01' '1' / '02' '2' / '03' '3' / '04' '4' / '05' '5' / '06' '6' / '07' '7' / '08' '8' /