'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' '2' '3' '4' '5' '6' '7' '8' '9' '10' / / '01' '1' / '02' '2' / '03' '3' / '04' '4' / '05' '5' / '06' '6' / '07' '7' / '08' '8' / '09' '9' / '10' '10' / '11' '11' / '12' '12' / '13' '13' / '14' '14' / '15' '15' / '16' '16' / '17' '17' / '18' '18' / '19' '19' / '20' '20' / '21' '21' / '22' '22' / '23' '23' / '24' '24' /