sdlc01.pu@startdot
digraph sdlc {
label="systems development life cyclee";
node [fontsize = 12, shape = box, style=rounded ];
s1 [label="Planning"];
s2 [label="Analysis"];
s3 [label="Design"];
s4 [label="Implementation"];
s5 [label="Maintenance"];
s1 -> s2 -> s3 -> s4;
s4 -> s5 -> s1;
{rank = same; s2; s5;}
{rank = same; s3; s4;}
}
@enddot