 line: 6   UNSAFE 
 line: 13  line: 6   SAFE 
 line: 14  line: 6   SAFE 
 line: 19  line: 6   SAFE 
 line: 19  line: 6   SAFE 
 line: 13  line: 6   SAFE 
 line: 14  line: 6   SAFE 
