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Pencil and paper

When a solving technique is said to be suitable for pencil and paper (P&P) solvers, the technique can be performed without the use of computer programs. In theory, every technique could be P&P, but for practical purposes, we should only include techniques that use no more than the pencilmark grid and the margins. Certainly no extra sheets of paper.

(add a list of P&P techniques)

This page was last modified 08:35, 13 October 2007.