// tasks
(
timing open open open name A (@ @) prerequisites (B) resources (sun4 sun4)
timing open 3 4 1993  open name A (@ @) prerequisites (B) resources (sun4 sun4)
timing open 3 4 1993  open name A (@ @) prerequisites (B) resources (sun4 sun4)
timing 1 2 2000 open open name A (@ @) prerequisites (B) resources (sun4 sun4)
timing open open 4 5 1999 name A (@ @) prerequisites (B) resources (sun4 sun4)
)