This is CASE6.INP, a test program for CO2SYS. It works for case 6.
line1, 35., 3., 55., 20., 0, 5, 1000, 8., 300.
line2, 35., 0, 0, 20, 0, 5, 1000, 7.9, 400.
line3, 33., 2., 122., 15, 0, 5, 0, 7.8, 500.
line4, 35., 0, 0, 20, 0, 15, 0, 7.7, 600.
line5, 33., 3., 2., 25, 0, 10, 100, 7.6, 700.