Place the letters A,B,C,D,E,F,G 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
Initial batch, 396 puzzles Dec/27/2005
Second batch, 21 puzzles May/25/2006

(1)

interactive   solution 		(2)

interactive   solution 		(3)

interactive   solution
(4)

interactive   solution 		(5)

interactive   solution 		(6.1)

interactive   solution
(6.2)

interactive   solution 		(7)

interactive   solution 		(8)

interactive   solution
(9)

interactive   solution 		(10)

interactive   solution 		(11)

interactive   solution
(12)

interactive   solution 		(13)

interactive   solution 		(14)

interactive   solution
(15)

interactive   solution 		(16)

interactive   solution 		(17)

interactive   solution
(18)

interactive   solution 		(19)

interactive   solution 		(20)

interactive   solution
(21.1)

interactive   solution 		(21.2)

interactive   solution 		(22.1)

interactive   solution
(22.2)

interactive   solution 		(23)

interactive   solution 		(24)

interactive   solution
(25)

interactive   solution 		(26)

interactive   solution 		(27)

interactive   solution
(28)

interactive   solution 		(29.1)

interactive   solution 		(29.2)

interactive   solution
(30)

interactive   solution 		(31)

interactive   solution 		(32)

interactive   solution
(33)

interactive   solution 		(34)

interactive   solution 		(35)

interactive   solution
(36)

interactive   solution 		(37)

interactive   solution 		(38)

interactive   solution
(39.1)

interactive   solution 		(39.2)

interactive   solution 		(39.3)

interactive   solution
(39.4)

interactive   solution 		(40)

interactive   solution 		(41)

interactive   solution
(42)

interactive   solution 		(43)

interactive   solution 		(44)

interactive   solution
(45)

interactive   solution 		(46)

interactive   solution 		(47)

interactive   solution
(48)

interactive   solution 		(49)

interactive   solution 		(50)

interactive   solution
(51.1)

interactive   solution 		(51.2)

interactive   solution 		(52.1)

interactive   solution
(52.2)

interactive   solution 		(53.1)

interactive   solution 		(53.2)

interactive   solution
(54.1)

interactive   solution 		(54.2)

interactive   solution 		(55)

interactive   solution
(56)

interactive   solution 		(57)

interactive   solution 		(58)

interactive   solution
(59.1)

interactive   solution 		(59.2)

interactive   solution 		(60.1)

interactive   solution
(60.2)

interactive   solution 		(61)

interactive   solution 		(62)

interactive   solution
(63.1)

interactive   solution 		(63.2)

interactive   solution 		(64)

interactive   solution
(65)

interactive   solution 		(66)

interactive   solution 		(67.1)

interactive   solution
(67.2)

interactive   solution 		(68)

interactive   solution 		(69)

interactive   solution
(70)

interactive   solution 		(71)

interactive   solution 		(72)

interactive   solution
(73)

interactive   solution 		(74)

interactive   solution 		(75.1)

interactive   solution
(75.2)

interactive   solution 		(76)

interactive   solution 		(77)

interactive   solution
(78)

interactive   solution 		(79.1)

interactive   solution 		(79.2)

interactive   solution
(79.3)

interactive   solution 		(80)

interactive   solution 		(81)

interactive   solution
(82)

interactive   solution 		(83)

interactive   solution 		(84)

interactive   solution
(85)

interactive   solution 		(86)

interactive   solution 		(87)

interactive   solution
(88)

interactive   solution 		(89)

interactive   solution 		(90)

interactive   solution
(91)

interactive   solution 		(92)

interactive   solution 		(93)

interactive   solution
(94.1)

interactive   solution 		(94.2)

interactive   solution 		(95)

interactive   solution
(96)

interactive   solution 		(97.1)

interactive   solution 		(97.2)

interactive   solution
(98)

interactive   solution 		(99)

interactive   solution 		(100)

interactive   solution
(101)

interactive   solution 		(102)

interactive   solution 		(103)

interactive   solution
(104)

interactive   solution 		(105)

interactive   solution 		(106)

interactive   solution
(107)

interactive   solution 		(108)

interactive   solution 		(109)

interactive   solution
(110.1)

interactive   solution 		(110.2)

interactive   solution 		(111.1)

interactive   solution
(111.2)

interactive   solution 		(112)

interactive   solution 		(113)

interactive   solution
(114)

interactive   solution 		(115.1)

interactive   solution 		(115.2)

interactive   solution
(115.3)

interactive   solution 		(115.4)

interactive   solution 		(115.5)

interactive   solution
(116)

interactive   solution 		(117)

interactive   solution 		(118)

interactive   solution
(119)

interactive   solution 		(120)

interactive   solution 		(121)

interactive   solution
(122.1)

interactive   solution 		(122.2)

interactive   solution 		(123.1)

interactive   solution
(123.2)

interactive   solution 		(124)

interactive   solution 		(125)

interactive   solution
(126.1)

interactive   solution 		(126.2)

interactive   solution 		(126.3)

interactive   solution
(127.1)

interactive   solution 		(127.2)

interactive   solution 		(127.3)

interactive   solution
(128.1)

interactive   solution 		(128.2)

interactive   solution 		(128.3)

interactive   solution
(129)

interactive   solution 		(130)

interactive   solution 		(131)

interactive   solution
(132)

interactive   solution 		(133)

interactive   solution 		(134)

interactive   solution
(135)

interactive   solution 		(136)

interactive   solution 		(137.1)

interactive   solution
(137.2)

interactive   solution 		(138)

interactive   solution 		(139)

interactive   solution
(140)

interactive   solution 		(141)

interactive   solution 		(142)

interactive   solution
(143)

interactive   solution 		(144)

interactive   solution 		(145)

interactive   solution
(146)

interactive   solution 		(147)

interactive   solution 		(148)

interactive   solution
(149)

interactive   solution 		(150)

interactive   solution 		(151)

interactive   solution
(152)

interactive   solution 		(153)

interactive   solution 		(154)

interactive   solution
(155)

interactive   solution 		(156.1)

interactive   solution 		(156.2)

interactive   solution
(157)

interactive   solution 		(158)

interactive   solution 		(159)

interactive   solution
(160)

interactive   solution 		(161)

interactive   solution 		(162)

interactive   solution
(163)

interactive   solution 		(164)

interactive   solution 		(165)

interactive   solution
(166)

interactive   solution 		(167)

interactive   solution 		(168.1)

interactive   solution
(168.2)

interactive   solution 		(169)

interactive   solution 		(170.1)

interactive   solution
(170.2)

interactive   solution 		(171)

interactive   solution 		(172)

interactive   solution
(173)

interactive   solution 		(174)

interactive   solution 		(175)

interactive   solution
(176)

interactive   solution 		(177)

interactive   solution 		(178)

interactive   solution
(179)

interactive   solution 		(180)

interactive   solution 		(181)

interactive   solution
(182.1)

interactive   solution 		(182.2)

interactive   solution 		(183)

interactive   solution
(184)

interactive   solution 		(185)

interactive   solution 		(186.1)

interactive   solution
(186.2)

interactive   solution 		(187)

interactive   solution 		(188)

interactive   solution
(189)

interactive   solution 		(190.1)

interactive   solution 		(190.2)

interactive   solution
(191)

interactive   solution 		(192)

interactive   solution 		(193)

interactive   solution
(194.1)

interactive   solution 		(194.2)

interactive   solution 		(195)

interactive   solution
(196)

interactive   solution 		(197.1)

interactive   solution 		(197.2)

interactive   solution
(198)

interactive   solution 		(199)

interactive   solution 		(200.1)

interactive   solution
(200.2)

interactive   solution 		(201)

interactive   solution 		(202.1)

interactive   solution
(202.2)

interactive   solution 		(203.1)

interactive   solution 		(203.2)

interactive   solution
(204.1)

interactive   solution 		(204.2)

interactive   solution 		(205)

interactive   solution
(206)

interactive   solution 		(207)

interactive   solution 		(208)

interactive   solution
(209)

interactive   solution 		(210.1)

interactive   solution 		(210.2)

interactive   solution
(211)

interactive   solution 		(212)

interactive   solution 		(213)

interactive   solution
(214.1)

interactive   solution 		(214.2)

interactive   solution 		(215)

interactive   solution
(216)

interactive   solution 		(217.1)

interactive   solution 		(217.2)

interactive   solution
(218)

interactive   solution 		(219.1)

interactive   solution 		(219.2)

interactive   solution
(220.1)

interactive   solution 		(220.2)

interactive   solution 		(221)

interactive   solution
(222)

interactive   solution 		(223)

interactive   solution 		(224)

interactive   solution
(225)

interactive   solution 		(226)

interactive   solution 		(227)

interactive   solution
(228)

interactive   solution 		(229)

interactive   solution 		(230.1)

interactive   solution
(230.2)

interactive   solution 		(231)

interactive   solution 		(232)

interactive   solution
(233)

interactive   solution 		(234)

interactive   solution 		(235.1)

interactive   solution
(235.2)

interactive   solution 		(236)

interactive   solution 		(237)

interactive   solution
(238.1)

interactive   solution 		(238.2)

interactive   solution 		(239)

interactive   solution
(240)

interactive   solution 		(241)

interactive   solution 		(242)

interactive   solution
(243)

interactive   solution 		(244)

interactive   solution 		(245)

interactive   solution
(246.1)

interactive   solution 		(246.2)

interactive   solution 		(247.1)

interactive   solution
(247.2)

interactive   solution 		(248.1)

interactive   solution 		(248.2)

interactive   solution
(248.3)

interactive   solution 		(249.1)

interactive   solution 		(249.2)

interactive   solution
(249.3)

interactive   solution 		(250)

interactive   solution 		(251.1)

interactive   solution
(251.2)

interactive   solution 		(252)

interactive   solution 		(253)

interactive   solution
(254)

interactive   solution 		(255)

interactive   solution 		(256.1)

interactive   solution
(256.2)

interactive   solution 		(257)

interactive   solution 		(258)

interactive   solution
(259)

interactive   solution 		(260)

interactive   solution 		(261)

interactive   solution
(262)

interactive   solution 		(263.1)

interactive   solution 		(263.2)

interactive   solution
(264)

interactive   solution 		(265)

interactive   solution 		(266)

interactive   solution
(267)

interactive   solution 		(268.1)

interactive   solution 		(268.2)

interactive   solution
(269.1)

interactive   solution 		(269.2)

interactive   solution 		(270)

interactive   solution
(271.1)

interactive   solution 		(271.2)

interactive   solution 		(272.1)

interactive   solution
(272.2)

interactive   solution 		(273)

interactive   solution 		(274.1)

interactive   solution
(274.2)

interactive   solution 		(275.1)

interactive   solution 		(275.2)

interactive   solution
(276.1)

interactive   solution 		(276.2)

interactive   solution 		(277)

interactive   solution
(278)

interactive   solution 		(279)

interactive   solution 		(280.1)

interactive   solution
(280.2)

interactive   solution 		(280.3)

interactive   solution 		(281)

interactive   solution
(282.1)

interactive   solution 		(282.2)

interactive   solution 		(283)

interactive   solution
(284)

interactive   solution 		(285)

interactive   solution 		(286)

interactive   solution
(287)

interactive   solution 		(288)

interactive   solution 		(289)

interactive   solution
(290)

interactive   solution 		(291)

interactive   solution 		(292)

interactive   solution
(293)

interactive   solution 		(294.1)

interactive   solution 		(294.2)

interactive   solution
(295)

interactive   solution 		(296)

interactive   solution 		(297)

interactive   solution
(298)

interactive   solution 		(299)

interactive   solution 		(300)

interactive   solution
(301)

interactive   solution 		(302)

interactive   solution 		(303)

interactive   solution
(304)

interactive   solution 		(305)

interactive   solution 		(306.1)

interactive   solution
(306.2)

interactive   solution 		(307)

interactive   solution 		(308)

interactive   solution
(309.1)

interactive   solution 		(309.2)

interactive   solution 		(310)

interactive   solution
(311)

interactive   solution 		(312)

interactive   solution 		(313)

interactive   solution
(314.1)

interactive   solution 		(314.2)

interactive   solution 		(315)

interactive   solution
(316.1)

interactive   solution 		(316.2)

interactive   solution 		(317)

interactive   solution
New puzzles added May/25/2006
(318)

interactive   solution 		(319)

interactive   solution 		(320)

interactive   solution
(321)

interactive   solution 		(322)

interactive   solution 		(323)

interactive   solution
(324)

interactive   solution 		(325)

interactive   solution 		(326)

interactive   solution
(327)

interactive   solution 		(328)

interactive   solution 		(329)

interactive   solution
(330)

interactive   solution 		(331)

interactive   solution 		(332)

interactive   solution
(333)

interactive   solution 		(334)

interactive   solution 		(335)

interactive   solution
(336)

interactive   solution 		(337)

interactive   solution 		(338)

interactive   solution


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