setnb1,range1,setnb2,range2
X0000001,2000-2005,X0000002,2000-2005
X0000003,2002,X0000004,1992-1997
X0000005,,X0000006,
X0000001,,X0000004,
X0000003,2002,X0000004,1992-1997
X0000002,1999,X0000003,2001
X0000003,2002,Z1234567,