Variations on Junior Sudoku Logic Puzzles (Vol 1)
Chapter 12: Twenty-Four Difficult Sudoku-5 Puzzles (numbers 169-192)
- Step-by-step instructions for solving Puzzle 169, (18/25) Diff: 7/321.1371
- Step-by-step instructions for solving Puzzle 170, (19/25) Diff: 7/224.3242
- Step-by-step instructions for solving Puzzle 171, (20/25) Diff: 7/332.1344
- Step-by-step instructions for solving Puzzle 172, (20/25) Diff: 7/331.2353
- Step-by-step instructions for solving Puzzle 173, (20/25) Diff: 7/322.2344
- Step-by-step instructions for solving Puzzle 174, (20/25) Diff: 7/322.1462
- Step-by-step instructions for solving Puzzle 175, (20/25) Diff: 7/233.2235
- Step-by-step instructions for solving Puzzle 176, (20/25) Diff: 7/224.2334
- Step-by-step instructions for solving Puzzle 177, (20/25) Diff: 7/223.2344
- Step-by-step instructions for solving Puzzle 178, (20/25) Diff: 7/211.2365
- Step-by-step instructions for solving Puzzle 179, (20/25) Diff: 7/133.4351
- Step-by-step instructions for solving Puzzle 180, (19/25) Diff: 8/2222.2351
- Step-by-step instructions for solving Puzzle 181, (19/25) Diff: 8/2211.3451
- Step-by-step instructions for solving Puzzle 182, (19/25) Diff: 8/1222.1461
- Step-by-step instructions for solving Puzzle 183, (19/25) Diff: 8/1211.2354
- Step-by-step instructions for solving Puzzle 184, (20/25) Diff: 8/3312.2252
- Step-by-step instructions for solving Puzzle 185, (20/25) Diff: 8/3221.2361
- Step-by-step instructions for solving Puzzle 186, (20/25) Diff: 8/3211.2245
- Step-by-step instructions for solving Puzzle 187, (20/25) Diff: 8/2222.2352
- Step-by-step instructions for solving Puzzle 188, (20/25) Diff: 8/2112.2354
- Step-by-step instructions for solving Puzzle 189, (20/25) Diff: 8/2111.3651
- Step-by-step instructions for solving Puzzle 190, (20/25) Diff: 8/1231.1336
- Step-by-step instructions for solving Puzzle 191, (20/25) Diff: 8/1221.2354
- Step-by-step instructions for solving Puzzle 192, (21/25) Diff: 8/2332.1235