Sudoku- తెలుగు- Termed Evil- Tricks make it Easy- K S Rao- IR Telugu (51)

Sudoku- X Wing Helps- K S Rao- IR English (150)

Sudoku- తెలుగు- కిటుకులు- K S Rao- IR Telugu (50)

Sudoku- English-The Sword Fish and X wing used- K S Rao- IR E (149)

Sudoku- English- Odd "C" Trick & Sudoku Walls- K S Rao IR E (148)

Sudoku- A Few Tricks Make it Easy- K S Rao- IR English (147)

Sudoku- తెలుగు- A Difficult Puzzle- K S Rao- IR Telugu (49)

Sudoku- English- A Robust Puzzle Trickily Solved- K S Rao- IR E (146)

Sudoku- English- Maneuvering a Difficult one K S Rao- IR E (145)

Sudoku- Solving a Difficult Puzzle with Easy tricks- IR English (144)

Sudoku- తెలుగు- Another Difficult Puzzle Solved Easily- K S Rao- IR Telugu (48)

Sudoku- The Magic of Sudoku walls- K S Rao- I R English (143)

Sudoku- Clusters Lead- K S Rao- IR English (142)

Sudoku- Another High Puzzle- K S Rao- IR English (141)

Sudoku- తెలుగు- Expert Level Puzzle- K S Rao- I R Telugu (47)

Sudoku- One more Diabolic Puzzle- K S Rao- IR English (140)

Sudoku- Castles Help a Diabolic Puzzle- K S Rao- IR English (139)

Sudoku- Easy Tricks for a Diabolic Puzzle- K S Rao- IR English (138)

Sudoku- An Expert level Puzzle- K S Rao- IR English (137)

Sudoku- కష్టంగా కనిపించినా ట్రిక్స్ వల్ల సులభమే- K S Rao- IR Telugu 46

Sudoku - Utility of X Y Wing - हिंदी- K S Rao- IR Hindi (38)

Sudoku- ಕನ್ನಡ- X Wing- K S Rao- IR Kannada (5)

Sudoku- A puzzle permitting Good Tricks- K S Rao- IR English (136)

Sudoku- The advantage of Clusters- K S Rao- IR English (135)

Sudoku- சுடோகு- தமிழ் - சுலபமான தர்க்கங்கள்- K S Rao- IR Tamil (8)

Sudoku-తెలుగు- Very Hard puzzle 5- K S Rao- IR Telugu (45)

Sudoku- The pairs Lead- K S Rao- IR English (134)

Sudoku- ಕನ್ನಡ- Difficult Puzzle & Tricks Lead- K S Rao- IR Kannada (4)

Sudoku- X Wing Explained- K S Rao- IR English 133

Sudoku- एक खास ट्रिक- K S Rao- IR Hindi (37)

Sudoku- XY Wing Solves a Difficult Puzzle- K S Rao- IR English (132)

Sudoku- Puzzle Trickily Solved- K S Rao- IR English (131)

|Sudoku-తెలుగు- Very Hard puzzle 4- K S Rao- IR Telugu (44)

Sudoku- हिंदी- श्रीमान सी एस विश्वनाथन अय्यर की स्मृति में- K S Rao- IR Hindi (36)

Sudoku- Castles, Sudoku Walls and Pairs- K S Rao- IR English (130)

Sudoku- One Good Trick Does- K S Rao- IR English (129)

Sudoku- Becomes difficult late while solving - K S Rao- IR English (128)

Sudoku- A Puzzle with No.1 hidden- K S Rao- IR English (127)

Sudoku-తెలుగు- Very Hard puzzle-3- By Mr. K S Rao- IR Telugu (43)

Sudoku- Tough Puzzle, but smooth solving- K S Rao- IR English (126)

Sudoku- सुडोकू किला और मददगार तरकीबें- K S Rao- IR Hindi (35)

Sudoku-सुडोकू समूहों के लाभ K S Rao-IR Hindi (34)

Sudoku-తెలుగు- Very Hard puzzle-2- By Mr. K S Rao- IR Telugu (42)

Sudoku- Another Tough One- K S Rao- IR English (125)

Sudoku- Solving a Cryptic Puzzle_ K S Rao- IR English (124)

Sudoku- K S Rao- A Cryptic one Solved in Style- IR English (123)

Sudoku-తెలుగు- Very Hard puzzle- By Mr. K S Rao- IR Telugu (41)

Sudoku- A Hard Puzzle Solved Happily- K S Rao- IR English (122)

Sudoku- A Cryptic Puzzle- K S Rao- IR English(121)

Sudoku- Begin the Solving by Tricks- by K S Rao- IR English (120)

Sudoku-తెలుగు- Hard puzzle- By Mr. K S Rao- IR Telugu (40)

Sudoku- Tactful Solving- K S Rao- IR English (119)

Sudoku- Tricks and Logics- K S Rao- IR English (118)

Sudoku- Castles and Castles- KS Rao - IR English (117)

Sudoku- K S Rao- An expert class Puzzle- IR English (116)

Sudoku- A Long Castle Leads- K S Rao- IR English (115)

Sudoku- An Enchanting Puzzle- K S Rao- IR English (114)

Sudoku- A Diabolic Puzzle- K S Rao- IR English (113)

Sudoku- Castles Help Wonderfully- K S Rao- IR English (112)

Sudoku-A Tough Puzzle solved Craftily- K S Rao- IR English (111).mp4