> 20,000 lines of code really doesn't seem like that much. Once I spent close to a month hunting down a subtle but nasty bug in a number crunching module which

> 20,000 lines of code really doesn't seem like that much. Once I spent close to a month hunting down a subtle but nasty bug in a number crunching module which was perhaps around 2k LoC. Writing code is very easy. Verifying and validating number crunching code is very hard and very time consuming.