Smurfing

Smurfing is a puzzle solving technique which involves painting most or all single bases in a puzzle blue to prevent them from mispairing with something else. It can be seen in some of Wawan’s 2-2 and 1-2 puzzles and Tesla’s puzzlets. For smurfing tutorials, see <a href="https://docs.google.com/document/d/18MmROVShMkrw8CCKPXvvq-Taip4Mrv4oASn462mpK_0/edit#heading=h.5a1mecskj403">Teaching and tutorial puzzles</a>.