Puzzle #23 · Thu, Oct 15
Round 1: 2 folds, then a punch at row 3, column 3 · Round 2: 3 folds, then a punch at row 7, column 4 · Round 3: 3 folds, then punches at row 7, column 4 and row 6, column 4 · Round 4, backward: 12 holes to make with 3 folds.