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Puzzles
- Mathematical Maelström 16 — Happy 2009 (9 x 9, 89 %, plutoman, 2009-01-03 03:10:47)
- Mathematical Maelström 15 (9 x 9, 37 %, plutoman, 2009-01-03 02:55:44)
- Mathematical Maelström 14 (9 x 9, 48 %, plutoman, 2008-11-29 08:56:32)
- Crossnumber Prime (5 x 5, 75 %, ky.m.guy, 2008-11-04 23:56:35)
- Christmas 07 (5 x 5, 31 %, rt, 2008-09-28 20:41:47)
- Puzzle Three (9 x 9, 50 %, jonrob, 2008-06-24 15:13:33)
- Puzzle Two (5 by 7) (7 x 5, 28 %, jonrob, 2008-06-24 14:25:49)
- Mathematical Maelström 13 (9 x 9, 57 %, plutoman, 2008-05-24 00:45:29)
- 2008 (12 x 5, 60 %, rt, 2008-01-02 22:23:21)
- Powers of 2, squares, and cubes (6 x 5, 11 %, rt, 2007-11-24 00:13:17)
- A preview for volume 2 (5 x 4, 21 %, rt, 2007-11-08 16:19:19)
- More or Less (7 x 7, 82 %, surphertje, 2007-10-13 01:46:19)
- T (4 x 3, 10 %, rt, 2007-09-09 15:34:19)
- Nice and small and easy (3 x 3, 11 %, rt, 2007-09-07 23:24:24)
- Equal digit sums (4 x 3, 80 %, rt, 2007-09-06 18:46:33)
- Mini-Sudoku (4 x 4, 35 %, gp, 2007-08-31 17:35:54)
- Very odd (5 x 5, 11 %, rt, 2007-08-24 21:42:45)
- Even (5 x 5, 10 %, rt, 2007-08-24 21:42:26)
- Klein und gemein (4 x 4, 75 %, rt, 2007-08-14 16:21:16)
- Lots of squares, some palindromes (5 x 5, 60 %, rt, 2007-06-22 18:02:23)
- 6 x 6 - not too difficult (July 20, 2002) (6 x 6, 47 %, rt, 2007-06-22 15:48:13)
- Logelei-18 (6 x 6, 52 %, pcbouhid, 2007-05-14 02:01:01)
- All squares II (4 x 5, 85 %, pcbouhid, 2007-05-14 01:18:47)
- Bach (5 x 5, 75 %, rt, 2007-05-13 21:20:19)
- All squares I (4 x 4, 50 %, pcbouhid, 2007-05-11 17:41:13)
- A 6x6 grid found somewhere (6 x 6, 59 %, pcbouhid, 2007-04-30 20:38:13)
- All squares III (5 x 5, 80 %, pcbouhid, 2007-04-30 20:26:37)
- Bo's craziness (3 x 3, 0 %, huckhgh11, 2007-04-18 04:56:01)
- Andrew - Puzzle #8 (5 x 5, 55 %, andrewdyck, 2007-03-06 11:32:22)
- Andrew - Puzzle #7 (4 x 4, 55 %, andrewdyck, 2007-03-06 11:32:08)
- Andrew - Puzzle #6 (6 x 6, 71 %, andrewdyck, 2007-03-06 11:31:46)
- Andrew - Puzzle #5 (6 x 5, 72 %, andrewdyck, 2007-03-06 11:31:32)
- Andrew - Puzzle #4 (8 x 8, 79 %, andrewdyck, 2007-03-06 11:31:13)
- Andrew - Puzzle #3 (3 x 3, 65 %, andrewdyck, 2007-03-06 11:30:47)
- Andrew - Puzzle #2 (8 x 8, 83 %, andrewdyck, 2007-03-06 11:30:31)
- Andrew - Puzzle #1 (5 x 4, 52 %, andrewdyck, 2007-03-06 11:30:12)
- Flower (nice and easy) (5 x 5, 20 %, rt, 2007-02-07 17:15:45)
- Number 1 (9 by 9) (9 x 9, 24 %, jonrob, 2007-01-09 10:06:52)
- 4x4 square (4 x 4, 88 %, rt, 2006-09-22 22:53:25)
- Sample Puzzle (4 x 4, 67 %, johndurner, 2006-09-20 01:01:20)
- 8 x 8 - difficult! (July 21, 2002) (8 x 8, 85 %, rt, 2006-08-13 22:06:54)
- Mirp (7 x 3, 36 %, csar, 2004-08-12 16:19:18)
- Magisch (3 x 3, 98 %, csar, 2004-08-11 16:01:49)
- 'Klein aber fein (3x3)' (3 x 3, 81 %, csar, 2004-08-11 10:29:14)
- 5 x 5 - really easy (July 25, 2002) (5 x 5, 10 %, rt, 2003-06-16 22:13:04)
- Face (5 x 5, 80 %, rt, 2003-02-08 16:50:02)
- 9 x 9 (August 10, 2002) (9 x 9, 36 %, rt, 2002-12-03 13:35:22)
- Weintrauben (6 x 6, 60 %, rt, 2002-12-03 13:03:35)
- Alpha (7x5) (7 x 5, 10 %, rt, 2002-11-29 08:22:34)
- Skinny Question Mark (4 x 7, 64 %, rt, 2002-09-19 01:06:38)
- Gesicht (5 x 5, 80 %, rt, 2002-09-12 23:57:31)
- Chair (4 x 6, 10 %, rt, 2002-09-07 18:12:34)
- Grapes (6 x 6, 60 %, rt, 2002-09-05 18:36:53)
- 5x5, not too difficult. (July 22) (5 x 5, 67 %, rt, 2002-08-22 22:49:09)
- 4x4, interesting. (July 26, 2002) (4 x 4, 16 %, rt, 2002-08-22 22:44:35)
- 5x5, relatively easy (July 29, 2002) (5 x 5, 58 %, rt, 2002-08-22 22:41:20)
- 5 x 5 - easy (July 24, 2002) (5 x 5, 47 %, rt, 2002-08-22 22:39:27)
- 5 x 5 - easy (July 25, 2002) (5 x 5, 42 %, rt, 2002-08-22 22:36:57)
- 4x4, leicht. (July 26, 2002) (4 x 4, 16 %, rt, 2002-08-22 22:32:06)
- 5 x 5 - also easy (July 25, 2002) (5 x 5, 10 %, rt, 2002-08-22 22:25:53)
- 6x5, July 30, 2002 (6 x 5, 62 %, rt, 2002-08-22 22:22:45)
- Omega/Y 7 x 5 (August 3, 2002) (7 x 5, 41 %, rt, 2002-08-22 22:20:58)
- 10 x 10 - solving this requires some time. (July 24, 2002) (10 x 10, 78 %, rt, 2002-08-22 22:05:20)
- Squares, 7 x 6 (7 x 6, 31 %, rt, 2002-08-22 17:50:33)
- Euro (6 x 7, 16 %, rt, 2002-08-22 17:47:05)
- castle (9 x 9, 58 %, rt, 2002-08-22 17:21:40)
- 6x5, 30. Juli 2002 (6 x 5, 62 %, rt, 2002-07-30 12:17:24)
- just 4 x 4 - but not all that easy. (July 19, 2002) (4 x 4, 66 %, rt3, 2002-07-29 14:35:53)