This is CASE5.INP, a test program for CO2SYS. It works for case 5.
line1, 35., 3., 55., 20., 0, 5, 1000, 2200., 300.
line2, 35., 0, 0, 20, 0, 5, 1000, 2200., 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.