This arrow sudoku teaches basic sum and good for beginners. Experts can check their speed with this.
However the second version has challenging solve path. Try as you feel comfortable. I recommend everyone to try both and provide their timings with feedback.
|Medium difficulty level|
Rules:Place a digit from 1 to 9 into each of the empty cells so that each digit appears exactly once in each row, column and 3x3 outlined box. Additionally, the sum of the digits along the path of each arrow must equal the digit in the circled cell. Digits can repeat within an arrow shape.