Place the letters A,B,C,D,E in the cells so that each row contains exactly one of each letter. Ditto for each column and for each region.

How To Solve a Du-Sum-Oh Puzzle

(1.1)

interactive   solution 		(1.2)

interactive   solution 		(1.3)

interactive   solution 		(1.4)

interactive   solution 		(2)

interactive   solution
(3)

interactive   solution 		(4.1)

interactive   solution 		(4.2)

interactive   solution 		(4.3)

interactive   solution 		(4.4)

interactive   solution
(4.5)

interactive   solution 		(4.6)

interactive   solution 		(5.1)

interactive   solution 		(5.2)

interactive   solution 		(5.3)

interactive   solution
(5.4)

interactive   solution 		(6.1)

interactive   solution 		(6.2)

interactive   solution 		(7)

interactive   solution 		(8.1)

interactive   solution
(8.2)

interactive   solution 		(8.3)

interactive   solution 		(9.1)

interactive   solution 		(9.2)

interactive   solution 		(9.3)

interactive   solution
(9.4)

interactive   solution 		(10)

interactive   solution 		(11.1)

interactive   solution 		(11.2)

interactive   solution 		(12.1)

interactive   solution
(12.2)

interactive   solution 		(13)

interactive   solution 		(14.1)

interactive   solution 		(14.2)

interactive   solution 		(15.1)

interactive   solution
(15.2)

interactive   solution 		(15.3)

interactive   solution 		(15.4)

interactive   solution 		(15.5)

interactive   solution 		(16)

interactive   solution
(17)

interactive   solution


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