ReadersDigestAustraliaNewZealand-April2018

BRAIN POWER

brought to you by

JUICE UP

1-2-3 GO(MODERATELY DIFFICULT)

In the diagram below, fill in the missing

junctionstodrawasingle,continuousloop

thatfollowseachlinesegmentonceandonly

once. As you move along, every corner and

everyjunctionyoupassisthebeginningofa

newsegment.Theloopmusttracesegments

innumericalorder;thatis,“1,2,3,1,2,3...”

Each junction can be filled in one of three ways:

3

2

1

1

3

212

12 33

321

32

1

1

2 3 3

21

312

12

3
(1-2-3 GO) RODERICK KIMBALL OF ENIGAMI.FUN

Here’s an example of a

completed loop: