200304171505   0    12     0schouw GR2000 = merge (/users/autexploalg/arcbest/grid/vak/g2000v21, /users/autexploalg/arcbest/grid/vak/g2000v22, /users/autexploalg/arcbest/grid/vak/g2000v23, /users/autexploalg/arcbest/grid/vak/g2000v26)