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Pencil
Games • Giochi di carta e matita • Jeux papier-crayon
by Gianni A. Sarcone & Marie-Jo Waeber
Pencil
puzzle - Spring 2009
How
to play... Come giocare... Comment jouer... • Print this page, take
a pencil and try to solve the following puzzles...
• Imprime
cette page, prends un crayon et essaie de résoudre
les jeux suivants...
• Stampa
questa pagina, prendi una matita e prova a risolvere
i seguenti rompicapo...
1.
Mondrianize-it! This line of puzzles, inspired by the artworks
of the Dutch artist Piet Mondrian, consists in dividing
the large square board with straight lines along the
small chequered squares in order to partition the board
into squares and rectangles so that each square holds
exactly one red star and each rectangle, one red dot
(see example below).
2.
Reclone-it! Using the grid dots you have to repartition the large
gray shape within the board opposite into 2 smaller congruent
shapes (that is shapes that coincide exactly when superimposed).
Two congruent shapes can be identical or mirrored, as
illustrated in the examples below.
3.
Pathfinder Draw pathway lines on the pink board to join similar
symbols together (triangle to triangle, pentagon to
pentagon, etc.) Rules
of
the
game:
1.
No
line
may
cross
another line.
2.
No
line
can
cross
the
black bands
(see
description
at
the
bottom
of
the puzzle).
3.
Only
ONE
line
can
cross
the band
with
stripes.
4.
The
wavy
dotted
band MUST
be
crossed
by
at
least
THREE
different connecting
pathway
lines.
5.
Respecting
the
previous
points,
every pathway
line
should
be
the
SHORTEST
possible.
4.
Pythagoras This game, involving square patterns, is a tribute
to the Greek mathematician Pythagoras and was designed
to stimulate your visuospatial skills! Blacken a white
dot within the board so that, starting from this dot,
the largest number of perfect squares can be drawn by
joining together their vertices. You can obviously join
together only black dots as shown in the example below.
5.
Mag-line Mag-line is a neat Sudoku variant
invented by the French puzzle designer Didier
Faradji. Each column and each row of the
puzzle must contain the digits from 1 to 9 (except
one) once. Moreover, each number in the green box
is the sum of the first 4 digits of the respective
row or column. (You can fill the empty boxes online)
6.
Strimko Strimko is a clever logic puzzle involving numbers
invented by the Grabarchuk
Family.
Fully
fill
in
the given
grid
with
missing
numbers (1
through
6)
observing three
simple
rules:
1.
Each
row must
contain
different
numbers.
2.
Each
column
should contain
different
numbers.
3.
Each
stream
must contain
different
numbers.
Do
you like our puzzles? The
puzzle designers and authors Gianni A. Sarcone and
Marie-Jo Waeber provide the media, publishers and syndication
agencies with puzzle
contents integrating science and visual
perception for recreational, educational
or communication purpose.
