Challenging Sudoku Logic Puzzles (Vol 1)
Chapter 3: Thirty Challenging (DiffLev 15) Sudoku Puzzles (numbers 1-30)
- Step-by-step instructions for solving Puzzle 1, (51/81) Diff: 15/632.1112.3233.5954
- Step-by-step instructions for solving Puzzle 2, (53/81) Diff: 15/832.2123.1213.8665
- Step-by-step instructions for solving Puzzle 3, (53/81) Diff: 15/744.32A3.4434.2354
- Step-by-step instructions for solving Puzzle 4, (53/81) Diff: 15/645.8523.11B2.3551
- Step-by-step instructions for solving Puzzle 5, (54/81) Diff: 15/863.4311.1B24.4474
- Step-by-step instructions for solving Puzzle 6, (54/81) Diff: 15/741.2AA1.2257.9552
- Step-by-step instructions for solving Puzzle 7, (54/81) Diff: 15/646.4111.6124.5355
- Step-by-step instructions for solving Puzzle 8, (54/81) Diff: 15/622.2564.3335.3424
- Step-by-step instructions for solving Puzzle 9, (54/81) Diff: 15/534.42A2.3357.5451
- Step-by-step instructions for solving Puzzle 10, (54/81) Diff: 15/435.3354.3553.2441
- Step-by-step instructions for solving Puzzle 11, (54/81) Diff: 15/433.32C4.7434.5243
- Step-by-step instructions for solving Puzzle 12, (55/81) Diff: 15/655.5111.B338.5451
- Step-by-step instructions for solving Puzzle 13, (55/81) Diff: 15/62B.3233.5375.4442
- Step-by-step instructions for solving Puzzle 14, (55/81) Diff: 15/523.2243.1332.3594
- Step-by-step instructions for solving Puzzle 15, (55/81) Diff: 15/346.4224.1237.7442
- Step-by-step instructions for solving Puzzle 16, (56/81) Diff: 15/73B.3225.8422.3832
- Step-by-step instructions for solving Puzzle 17, (56/81) Diff: 15/654.4344.5222.3642
- Step-by-step instructions for solving Puzzle 18, (56/81) Diff: 15/645.221B.1124.6857
- Step-by-step instructions for solving Puzzle 19, (56/81) Diff: 15/633.4313.4572.2562
- Step-by-step instructions for solving Puzzle 20, (56/81) Diff: 15/632.2345.5233.4662
- Step-by-step instructions for solving Puzzle 21, (56/81) Diff: 15/611.2223.4477.6641
- Step-by-step instructions for solving Puzzle 22, (56/81) Diff: 15/553.3431.1144.8752
- Step-by-step instructions for solving Puzzle 23, (56/81) Diff: 15/523.33A2.2344.8754
- Step-by-step instructions for solving Puzzle 24, (56/81) Diff: 15/522.11B3.8234.4964
- Step-by-step instructions for solving Puzzle 25, (56/81) Diff: 15/355.3234.6544.2244
- Step-by-step instructions for solving Puzzle 26, (57/81) Diff: 15/733.4524.4335.3461
- Step-by-step instructions for solving Puzzle 27, (57/81) Diff: 15/642.22A1.2357.6772
- Step-by-step instructions for solving Puzzle 28, (57/81) Diff: 15/445.2222.2222.5679
- Step-by-step instructions for solving Puzzle 29, (57/81) Diff: 15/422.11C5.4437.7356
- Step-by-step instructions for solving Puzzle 30, (57/81) Diff: 15/333.1124.C357.9452