input file 1 
WL,BL,Die1
WL0,BL0,1708
WL0,BL1,1708
WL0,BL2,1708
WL0,BL3,1931
WL0,BL4,1931
WL0,BL5,1931
WL0,BL6,1931
WL0,BL7,1931
WL0,BL8,1708
WL0,BL9,1931
WL0,BL10,1708
WL0,BL11,1708
WL0,BL12,1708
WL0,BL13,1931
WL0,BL14,1931
WL0,BL15,1931
WL0,BL16,1931
WL0,BL17,2153
WL0,BL18,2153

input file 2 
WL,BL,Die 2
WL0,BL0,1708
WL0,BL1,1708
WL0,BL2,1708
WL0,BL3,1931
WL0,BL4,1931
WL0,BL5,1931
WL0,BL6,1931
WL0,BL7,1931
WL0,BL8,1708
WL0,BL9,1931
WL0,BL10,1708
WL0,BL11,1708
WL0,BL12,1708
WL0,BL13,1931
WL0,BL14,1931
WL0,BL15,1931
WL0,BL16,1931
WL0,BL17,2153
WL0,BL18,2153


Error output : 
(example: at line 12, "WL0,BL1,17080,1708" the 3rd value had addition "0" added in it. Thus, subsequently there was increment of the number in this area." 

WL0,BL1,17081,1708  <-- 1708 instead of 17081
WL0,BL1,17082,1708  <-- 1708 instead of 17082
WL0,BL1,17083,1931  <-- 1708 instead of 17083

==========================

Exact Error output file
WL,BL,Die1,Die 2
WL0,BL0,1708,1708
WL0,BL1,1708,1708
WL0,BL2,1708,1708
WL0,BL3,1931,1931
WL0,BL4,1931,1931
WL0,BL5,1931,1931
WL0,BL6,1931,1931
WL0,BL7,1931,1931
WL0,BL8,1708,1708
WL0,BL9,1931,1931
WL0,BL1,17080,1708
WL0,BL1,17081,1708
WL0,BL1,17082,1708
WL0,BL1,17083,1931
WL0,BL1,17084,1931
WL0,BL1,17085,1931
WL0,BL1,17086,1931
WL0,BL1,17087,2153
WL0,BL1,17088,2153