( 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 ) )