This is CASE2.INP, a test program for CO2SYS. It works for case 2.
line1, 35., 3., 55., 20., 0, 5, 1000, 2400., 8.
line2, 35., 0, 0, 20, 0, 5, 1000, 2400., 7.9
line3, 33., 2., 122., 15, 0, 5, 0, 2300., 7.8
line4, 35., 0, 0, 20, 0, 15, 0, 2300., 7.7
line5, 33., 3., 2., 25, 0, 10, 100, 2200., 8.