Puzzle 3339: 1. 37-3`1 is also winning
Mistakes in puzzles
Puzzle 614: 26-21 is winning.
Puzzle 2604: 19-24 21-26 is winning.
Puzzle 4958: 35-44 1-6 12-1 is winning.
Puzzle 23: 37-31 39-33 48-43 is winning.
Puzzle 497: 27-22 is winning.
Puzzle 524: 40-35 is winning.
Puzzle 794: 22x33, and after combination those moves are also winning - 36-31, 48-43, 35-30.
Puzzle 732 : 2823 × 45×21 is winning !
Puzzle 1823: 40-44 42-47 is winning.