...9:9,9/9c9

< modified line whith whitespace;

---

> modified line whith whitespace;

...12:12,12/12c12

< modified line /* in C comment */   

---

> modified line /* in C comment not a important modification */

...16:16,16/16c16

< modified line += 1;

---

> modied lire += 213;

...22:22,22/23d22

= identical code;

< removed line

---

= identical code;

...26:26,25/26a26

= identical code;

---

= identical code;

> added line

...30:29,29/30d29

= identical code;

< /* removed commented line */

---

= identical code;