Knossos Games - Rubber Stamp

Detailed Solution:

Using the only stamp available, we can fill in the two blocks with hints. Their arrangement is unambiguous because the stamp has only one shaded corner square.

The bottom two horizontal tiers of blocks each have rows now totaling zero. This reveals the position of four empty blocks.

The right-hand and center vertical tiers of blocks now contain columns totaling zero. The left-hand vertical tier still contains one square to be colored per column.

The last empty block, working horizontally, now has a row totaling zero, which reveals that stamp's position.

	Using the only stamp available, we can fill in the two blocks with hints. Their arrangement is unambiguous because the stamp has only one shaded corner square.
	The bottom two horizontal tiers of blocks each have rows now totaling zero. This reveals the position of four empty blocks.
	The right-hand and center vertical tiers of blocks now contain columns totaling zero. The left-hand vertical tier still contains one square to be colored per column.
	The last empty block, working horizontally, now has a row totaling zero, which reveals that stamp's position.