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Design and print on paper grids of any size and style - configure horizontal and vertical lines separately (you can turn them on and off) as well as page margins. You can configure line style, width, color. The grid doesn't have to be square, vertical and horizontal lines can be spaced apart from 1 to 200 mm.
Classic battleship puzzles in hexagonal grid. Find the hidden fleet in the hexagonal grid using simple logic. You could start as a cadet playing easy puzzles and reach the rank of ...
Vertically merge one Oracle table into another. The tables can be located in the same Oracle database or two different databases.
Defeat your opponent in all 10 rounds!
Can you say "bingo" at the perfect moment?
Can you beat the computer in 20 consecutive games?