This is CASE3.INP, a test program for CO2SYS. It works for case 3.
line1, 35., 3., 55., 20., 0, 5, 1000, 2400., 300.
line2, 35., 0, 0, 20, 0, 5, 1000, 2300., 400.
line3, 33., 2., 122., 15, 0, 5, 0, 2200., 500.
line4, 35., 0, 0, 20, 0, 15, 0, 2100., 600.
line5, 33., 3., 2., 25, 0, 10, 100, 2000., 700.