Black Hole
May contain traces of nut
. . . 
If you can see where a green number has been forced by any of the red numbers, do tell.
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Puzzle Corner
- Thread starter Ezra Pound
- Start date
. . . 
Luke
Well-Knwοn Мember
Thanks
The value of E1 should be > E2.
On your second solution it is, but the first it isn't. I've done that on a previous where there were a similar adjacent triplet of pairs.
That E1=[3 4] and not [2] makes a big difference as
[D1 E1] = [3 4] and C1=1 ∴︎ A1=[5 2] but as [A4 E5] = [1 2] ∴︎ A1=[5] and the rest is easy.
On your second solution it is, but the first it isn't. I've done that on a previous where there were a similar adjacent triplet of pairs.
That E1=[3 4] and not [2] makes a big difference as
[D1 E1] = [3 4] and C1=1 ∴︎ A1=[5 2] but as [A4 E5] = [1 2] ∴︎ A1=[5] and the rest is easy.
Last edited:
Black Hole
May contain traces of nut
Oops! You're right of course. Now begins a post-mortem...
Black Hole
May contain traces of nut
Yes, looking again I have found the logic.
C1=1 D2=5 E4=5 C5=5 B2=1
[B4 C4]=[3 4] ∴︎ [A4 D4]=[1 2]
D3=[1 2] ∴︎ D1=[3 4]
E1=[3 4] ∴︎ [A1 B1]=[2 5]
A5=[1 2] ∴︎ A1=5
then trivial.
[B4 C4]=[3 4] ∴︎ [A4 D4]=[1 2]
D3=[1 2] ∴︎ D1=[3 4]
E1=[3 4] ∴︎ [A1 B1]=[2 5]
A5=[1 2] ∴︎ A1=5
then trivial.
Black Hole
May contain traces of nut
The Sunday one strikes me as being quite tough – after the easy pickings it's a long inference chain to come up with the key. Without actually solving it, trial-and-error offers a 50/50 chance of getting it right.
EEPhil
Number 28
Done them both now. Nice to see from your BOGOF offer that I managed to get one of your results. Disconcerting to see your image looks a lot like mine. As I recall your dot meaning is slightly different, but you can't have everything. ( For no reason I use 1-4 in the corners and 5 in the middle)
Black Hole
May contain traces of nut
It's rated 3 stars, so...
Black Hole
May contain traces of nut
What? It just falls out.
Black Hole
May contain traces of nut
Every move is forced, it doesn't matter which order you play them in.
EEPhil
Number 28
Strangely enough, the way I did it one move required thinking about - but the rest fell into place. Maybe I was distracted.
Black Hole
May contain traces of nut
Moderate to tough
EEPhil
Number 28
For me, a mixture of guess and intuition followed by it all logically falling into place. The first two or three moves were troublesome. Unfortunately I didn't make a note of the moves in order, so no spoilers here.
Black Hole
May contain traces of nut
Seems tough. Not solved it yet...
prpr
Well-Known Member
Listen very carefully, I will say this only once:
E1, C1, B1, A1, A2, C4, D4, D3, E3, E4, E5, B3, A4