Add CC errors detection

Question 1

Question 2

Implementation done but weird results. Debug in progress.

Answer · 2020-01-07T19:48:51.000Z

Implementation done but weird results. Debug in progress.

Question 3

Done. Strange that cc is sometimes incremented. Sometimes not.

Answer · 2020-01-12T19:09:40.000Z

Done. Strange that cc is sometimes incremented. Sometimes not.