7
$\begingroup$

Fourth two-colour puzzle in the 32nd issue of Mega Pixel Puzzles by Puzzler.. I’ve made some progress, but I am stuck. Can you help me find my next move in it? (The puzzle is below)

enter image description here

| improve this question | | | | |
$\endgroup$
  • $\begingroup$ Not enough for a full answer, but the 14 in row 8 is bounded by the left edge and the blue square on col 21, so your observation that cols 11-14 are black can be extended the other way by another 4, covering cols 7-10. (Also, welcome to Puzzling!) $\endgroup$ – Alconja Dec 16 '19 at 6:41
  • $\begingroup$ Are you sure row 22, column 17 is meant to be an X, I seem to be running into problems later in the puzzle if that is an X $\endgroup$ – gabbo1092 Jan 22 at 16:57
1
$\begingroup$

The 7 on top is even further restricted. Every pattern 1-2-1 downwards helps you to exclude. For example it can not be to the left because of 1-2-1 starting in 4th column. Meaning the three in third row must be left. Also the 8 in fifth row has at least one field safe. A lot more if the signs to the right are right.

| improve this answer | | | | |
$\endgroup$
  • $\begingroup$ Why does 1-2-1 exclude an option for the 7 on top? $\endgroup$ – Rand al'Thor Dec 22 '19 at 7:12
  • $\begingroup$ It feels like we should have a nonogram glossar. The 2 leeds to a "hit" on the second row. Because of the 1 right and left of it, it will become a single, but you do not have a 1 in the second row. So you can not have that. $\endgroup$ – Adam P. Dec 22 '19 at 13:44
  • 1
    $\begingroup$ Aha, nice deduction! And yeah, making a nonogram guide with all the possible types of deductive steps needed (kind of like this one I made for another type of grid-deduction puzzle) is on my to-do list. $\endgroup$ – Rand al'Thor Dec 22 '19 at 18:47
1
$\begingroup$

Some more values can be found in the 23rd row from what you have currently, and can lead to the finishing of column 17.

Start by counting the possible placements for each grey square after the blue ones in row 23 Possibility 1 Possibility 2

Then look for overlap:

the overlapping values can lead to these fill ins enter image description here


Intial post: Another way you can fill in some more of the puzzle is with some of the blue in the upper right hand corner.

If you count through the closest to the top possibilities for grey squares before blue is possible in the first couple of rows, you can prove that the blue squares in the first rows must be over on the right side of the image. Grey Count

From there you can find these squares in particular:

New values

Note these are not the only ones you can find from this but just the first few I found.


In case anyone else would like a blank of this puzzle of included it below. If I have misread any parts of the puzzle please let me know. Thanks Kruga for pointing out the mistake earlier.

Blank Puzzle

| improve this answer | | | | |
$\endgroup$
  • 1
    $\begingroup$ Your blank puzzle is missing a black 1 in column 20 $\endgroup$ – Kruga Jan 21 at 9:05

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.