Monday 29 June 2020

PUZZLE NO. 142 : DUAL SUDOKU ( Outside Sudoku & 234 Outside Sudoku )



This is a dual sudoku. It can be solved individually, both as an Outside Sudoku as well as a 234 Outside Sudoku.

RULES FOR OUTSIDE SUDOKU : Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 box. Additionally, the digits outside the grid must appear in one of the first three cells seen from that edge of the grid.

RULES FOR 234 OUTSIDE SUDOKU : Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 box. Additionally, the digits outside the grid must appear in either the 2nd, 3rd or 4th cell seen from that edge of the grid.

8 comments:

  1. 2:38(Outside)
    8:06(234 Outside)

    ReplyDelete
  2. 2:36 on outside and 5:12 on 234 outside.

    ReplyDelete
    Replies
    1. Nice timing. You had tested this long back. I was supposed to post this much earlier but somehow this kept on getting delayed.

      Delete
  3. 3:14 for the Outside and 5:51 for the 234 Outside

    ReplyDelete

Puzzle No. 458: Sum Next to 9-Renban Sudoku

  Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box. Clue...