An @example of an @overriddensolution.

An example of an "overriddensolution" (BP568).

An example of a "overriddensolution" (BP568).

An example of a "overriddensolution" (BP568) problem.

An example of a "nonsolution" (BP568) problem.

An example of a "noincarnate" (BP568) problem.

An example of a "noincarnate" (BP569) problem.

Shape outlines that aren't triangles vs. black shapes that aren't squares.

An example of an "unsolvable" problem.

Aaron David Fairbanks