or download this
<line 1:> a.2726 > b.8000: S 3628356093:3628356093(0) win 16384 <mss 1
+460,nop,nop,sackOK> (DF)
<line 2:> b.8000 > a.2726: S 2575239810:2575239810(0) ack 3628356094 w
+in 32120 <mss 1460,nop,nop,sackOK> (DF)
...
<line 37:> b.8000 > a.2726: . 1:1(0) ack 13313 win 30660 <nop,nop, sac
+k 2 {17845:17921}{14773:16385} > (DF)
<line 38:> b.8000 > a.2726: F 1:1(0) ack 13313 win 30660 <nop,nop, sac
+k 2 {17845:17921}{14773:16385} > (DF)
<line 39:> a.2726 > b.8000: R 3628369406:3628369406(0) win 0