Medium Sudoku-by5 Group Puzzle

The grouppuzzles.com Medium Sudoku-by5 puzzle for  with the first 3 steps marked

Permission is granted to teachers in grades K-12 to print and photocopy these puzzles for use in their classes. Permission is also granted for parents and individuals to print for educational and personal developement. Please share this link with friends on social media and email so they can practice as well.
  https://www.grouppuzzles.com