2 __start0 [label="" shape="none"];
4 s0 [shape="circle" label="0"];
5 s1 [shape="circle" label="1"];
6 s2 [shape="circle" label="2"];
7 s0 -> s1 [label="SYN / SYN-ACK"];
8 s0 -> s0 [label="ACK / TO"];
9 s1 -> s1 [label="SYN / SYN-ACK"];
10 s1 -> s2 [label="ACK / TO"];
11 s2 -> s2 [label="SYN / TO"];
12 s2 -> s2 [label="ACK / TO"];