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added 20 characters in body
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ACB
ACB
  • 7.3k
  • 4
  • 21
  • 52

     .  .  .  4  .
     .  .  .  .  .
     .  .  6  .  .
     1  . 19  .  .
     .  .  .  .  .

Also works as well as its mirror image

     .  4  .  .  .
     .  .  .  .  .
     .  .  6  .  .
     .  . 19  .  1
     .  .  .  .  .

Both with unique solutions:

     25   4   8   9  10
     24   5   3   7  11
     23  18   6   2  12
     22  17  19  13   1
     21  20  16  15  14

and

     10   9   8   4  25
     11   7   3   5  24
     12   2   6  18  23
      1  13  19  17  22
     14  15  16  20  21

and in that logic there should be plenty more in a similar manner where mirror solutions also work. I haven't found any with 3 clues since (I think) you can't force a wall with a gap with only 3 if that makes sense. I'm unsure if the positions (where they are now) are vital to forming the wall with the gap though.

     .  .  .  4  .
     .  .  .  .  .
     .  .  6  .  .
     1  . 19  .  .
     .  .  .  .  .

Also works as well as its mirror image

     .  4  .  .  .
     .  .  .  .  .
     .  .  6  .  .
     .  . 19  .  1
     .  .  .  .  .

Both with unique solutions:

     25  4  8  9  10
     24  5  3  7  11
     23  18  6  2  12
     22  17 19  13  1
     21  20  16  15  14

and

     10  9  8  4  25
     11  7  3  5  24
     12  2  6  18  23
     1  13 19  17  22
     14  15  16  20  21

and in that logic there should be plenty more in a similar manner where mirror solutions also work. I haven't found any with 3 clues since (I think) you can't force a wall with a gap with only 3 if that makes sense. I'm unsure if the positions (where they are now) are vital to forming the wall with the gap though.

     .  .  .  4  .
     .  .  .  .  .
     .  .  6  .  .
     1  . 19  .  .
     .  .  .  .  .

Also works as well as its mirror image

     .  4  .  .  .
     .  .  .  .  .
     .  .  6  .  .
     .  . 19  .  1
     .  .  .  .  .

Both with unique solutions:

     25   4   8   9  10
     24   5   3   7  11
     23  18   6   2  12
     22  17  19  13   1
     21  20  16  15  14

and

     10   9   8   4  25
     11   7   3   5  24
     12   2   6  18  23
      1  13  19  17  22
     14  15  16  20  21

and in that logic there should be plenty more in a similar manner where mirror solutions also work. I haven't found any with 3 clues since (I think) you can't force a wall with a gap with only 3 if that makes sense. I'm unsure if the positions (where they are now) are vital to forming the wall with the gap though.

Source Link
Notus_Panda
Notus_Panda
  • 119
  • 3

     .  .  .  4  .
     .  .  .  .  .
     .  .  6  .  .
     1  . 19  .  .
     .  .  .  .  .

Also works as well as its mirror image

     .  4  .  .  .
     .  .  .  .  .
     .  .  6  .  .
     .  . 19  .  1
     .  .  .  .  .

Both with unique solutions:

     25  4  8  9  10
     24  5  3  7  11
     23  18  6  2  12
     22  17 19  13  1
     21  20  16  15  14

and

     10  9  8  4  25
     11  7  3  5  24
     12  2  6  18  23
     1  13 19  17  22
     14  15  16  20  21

and in that logic there should be plenty more in a similar manner where mirror solutions also work. I haven't found any with 3 clues since (I think) you can't force a wall with a gap with only 3 if that makes sense. I'm unsure if the positions (where they are now) are vital to forming the wall with the gap though.