This is CASE1.INP, a test program for CO2SYS. It works for case 1.
line1, 35., 3., 55., 20., 0, 5, 1000, 2400., 2200.
line2, 35., 0, 0, 20, 0, 5, 1000, 2400., 2300.
line3, 33., 2., 122., 15, 0, 5, 0, 2300., 2200.
line4, 35., 0, 0, 20, 0, 15, 0, 2300., 2100.
line5, 33., 3., 2., 25, 0, 10, 100, 2200., 2100.