Last kakuro posting for a while, I promise

A     B     C     D     E     F     G   0           ⇓10   ⇓17   1     12⇒ ⇓3 1 2 9   2 3⇒   2 1 9⇒ ⇓10 1 8   3   6⇒   2 1 3   ⇓17   4     15⇒ ⇓3 2 4 9   5   5⇒   2 3 9⇒   8 1 6   7⇒   1 4 2

Couldn't resist the temptation so the solver now outputs HTML like what you see on the left. It's still not pythonic and not even really OO, but it works so far. I am probably never going to perfect it. A few more pictures, and sources are here: http://cpark.users.sonic.net/kakuro-python/