• tsir1962
    Translate Original Version
    Some Symmetry. Some intuition. Many guessing!!!
    October 30, 2015, 11:11 am
  • AmyJay
    Translate Original Version
    The 7s in row 10 start in columns 1 and 19. The 6s in columns 9 and 17 both start is row 5.
    October 5, 2016, 10:28 am