diff -r 62389faa66e4 -r cd6b9fe4bce5 progs/roman_sol.scala
--- a/progs/roman_sol.scala	Wed Feb 01 13:54:55 2017 +0000
+++ b/progs/roman_sol.scala	Thu Feb 02 13:18:02 2017 +0000
@@ -110,7 +110,7 @@
 String2Int("MMVIII")    // 2008
 
 String2Int("MMXI")      // 2011 
-String2Int("MIM")       // 1999
+String2Int("MIM")       // 2001
 String2Int("MCMLVI")    // 1956 
 
 String2Int("III") 	// 3
@@ -152,6 +152,36 @@
 
 addromanfile("roman.txt")
 
+val ls = """IIII
+IV        
+VI        
+IX        
+MCMLXXIX  
+MCMXLIV   
+          
+MDCLXI    
+MMMCMXCIX 
+XLVIII    
+MMVIII    
+
+MMXI      
+MIM       
+MCMLVI    
+
+III     
+XXX     
+CCC     
+MMM     
+VII     
+LXVI    
+CL      
+MCC     
+IV      
+IX      
+XC      
+MDCLXVI""".split("\n").map(_.trim).map(String2Int(_)).flatten
+
+String2Int("MIM")
 
 // Part 2 about Validation of Roman Numerals
 //===========================================