Puzzle #51 · Thu, Nov 12
Round 1: 2 folds, then a punch at row 8, column 8 · Round 2: 3 folds, then a punch at row 3, column 2 · Round 3: 3 folds, then punches at row 3, column 6 and row 4, column 3 · Round 4, backward: 12 holes to make with 3 folds.