In November, opponents were shooting 12.6 for 35.6 from 3 while the C's were 18.5 for 50.4. Boston had a built-in 18 point advantage. 

In January, C's are shooting 14.3 for 43.7 per game. Opponents are shooting 16 for 38.8. They're starting each game, basically, in a  6 pt hole