sent p2 m1 p1 1
sent p5 222 p1 1
sent p5 xxxx p2 2
sent p5 wwwww p3 3
sent p7 ssss p5 1
sent p7 aaaa p1 2
sent p7 aaaa p2 3
printed p1 aaaa 1
printed p4 &&&& 1
printed p6 yyyy 1
printed p8 f 1
printed p9 a 1
printed p1 bbbb 2
printed p2 xxxx 2
printed p4 $$$$ 2
printed p9 b 2
printed p1 cccc 3
printed p2 yyyy 3
printed p9 c 3
printed p1 dddd 4
printed p2 zzzz 4
printed p7 m1 4
printed p1 aaaaa 5
printed p2 wwww 5
printed p1 bbbba 6
printed p2 xxxx 6
printed p1 cccca 7
printed p1 dddda 8
printed p1 aaaab 9
printed p1 bbbbb 10
printed p1 ccccb 11
printed p1 ddddb 12
printed p1 aaaac 13
received p1 m1 p2 14
sent p1 m1 p3 15
printed p1 bbbbc 16
printed p1 ccccc 17
printed p1 ddddc 18
printed p2 yyyy 7
received p3 m1 p1 16
printed p2 zzzz 8
sent p2 tttt p5 9
printed p2 wwww 10
printed p2 xxxx 11
printed p2 yyyy 12
printed p2 zzzz 13
printed p2 wwww 14
printed p2 xxxx 15
printed p2 yyyy 16
sent p2 m2 p7 17
printed p3 1111 17
received p7 m2 p2 18
printed p2 zzzz 18
received p2 aaaa p7 19
printed p3 2222 18
printed p1 aaaad 19
printed p3 3333 19
printed p1 bbbbd 20
printed p2 wwww 20
printed p1 ccccd 21
printed p1 ddddd 22
printed p1 aaaae 23
printed p1 bbbbe 24
printed p1 cccce 25
sent p1 tttt p5 26
received p5 tttt p1 27
sent p5 dddd p7 28
received p5 ssss p7 29
printed p1 dddde 27