Not Quite a Pipe Dream

Question

Goal

Complete the connection between the two red pipes using any of the pipe shapes provided below, using as few pieces as possible.

This puzzle can be completed by placing just four extra pieces.

Pipe Shapes

Information

Rules

You must have a continuous connection between each red pipe (A valid connection is achieved by aligning the ends of the pipes parallel to each other)
You must not make any adjustments to any of the pipes that have already been placed (the two red and two green pipes).
You must not place any pipes fully or partially outside of the grid.
You may make a connection with the green pipes already placed.
You may rotate any pipe you place, in increments of 90°.
You may place the same shape pipe more than once.
You are not required to use every pipe shape.

Ambo100 · Accepted Answer · 2019-11-26 20:14:16Z

14

Aha! The solution:

Side view

 -----YYYY-----
 RBBBYYGGYYBBBR

Top view

 ------GGG-----
 RBBBYYYYYYBBBR
 -----GGG------

3D view:

Ambo100

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answered Nov 26, 2019 at 14:07

Daniel Mathias

17k2 gold badges36 silver badges71 bronze badges

1

$\begingroup$ If only I could post a nice image instead... $\endgroup$
– Daniel Mathias
Commented Nov 26, 2019 at 14:09
2

$\begingroup$ Oh! I get it now. Clever. Yes, It would be nice to have a good picture of it. $\endgroup$
– Jaap Scherphuis
Commented Nov 26, 2019 at 14:13
1

$\begingroup$ @Jaap Such a nice 'aha' moment when you see it $\endgroup$
– Daniel Mathias
Commented Nov 26, 2019 at 14:15
4

$\begingroup$ @JaapScherphuis Like this? (@DanielMathias Feel free to use this image in your answer) $\endgroup$
– Ambo100
Commented Nov 26, 2019 at 14:46
2

$\begingroup$ I've edited @Ambo100's image into the answer because I was struggling to understand what you'd done. Hope you don't mind. $\endgroup$
– Rand al'Thor
Commented Nov 26, 2019 at 17:49

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