Opponent’s options: VOE(S) 11c, VANS 2l (out), VIS 11m
Scoring options: QIS o4/4g, NAOI 14a, QI 15i

In Puzzle 12, you need to block VANS, but none of the options that do so score very well. However, you can block VANS by playing NAIK, leaving QIS to play in several spots next turn.