--- /dev/null
+digraph g {
+__start0 [label="" shape="none"];
+
+ s0 [shape="circle" label="0"];
+ s1 [shape="circle" label="1"];
+ s2 [shape="circle" label="2"];
+ s3 [shape="circle" label="3"];
+ s0 -> s1 [label="SYN / SYN-ACK"];
+ s0 -> s2 [label="ACK / ERR"];
+ s0 -> s2 [label="DAT / ERR"];
+ s1 -> s2 [label="SYN / ERR"];
+ s1 -> s2 [label="ACK / ERR"];
+ s1 -> s3 [label="DAT / ACK"];
+ s2 -> s2 [label="SYN / ERR"];
+ s2 -> s2 [label="ACK / ERR"];
+ s2 -> s2 [label="DAT / ERR"];
+ s3 -> s2 [label="SYN / ERR"];
+ s3 -> s2 [label="ACK / ERR"];
+ s3 -> s3 [label="DAT / DATA"];
+
+__start0 -> s0;
+}