FourinaRowEasy
Inthisbird’s-eyeview,eachofthenested
squaresrepresentsa stackoffour
blocks,withsmalleronessittingontop
oflargerones.Canyoufinda lineoffour
blocksina rowthatarethesamecolour?
Youcansearchinthreedimensions,
meaningthatnotallfourblocksare
necessarilysittingatthesameheight;
theycouldinsteadbeforminga diagonal
linebyspanningadjacentheightsonthe
samerow,columnorlongdiagonal.
SortItOutDifficult
Theeightpicturesbelowhavebeensortedintotwogroupsaccordingtoa rule.
PartofthisruleisthatingroupA’spictures,thedotsarearrangedclockwise,
whereasingroupB,they’rearrangedcounterclockwise.
Whichgroup
shouldthispicture
besortedinto?
PUZZLES
(SORT IT OUT) DARREN RIGBY; (FOUR IN A ROW) DARREN RIGBY
Challenge yourself by solving these puzzles and mind
stretchers, then check your answers on page 128.
BY Marcel Danesi and Jeff Widderich
A B
136 march 2020
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