You can plant nine roses in the shape of circle
in your garden. But why to follow such an obvious pattern if there are
a bunch of more intriguing possibilities out there?
A nobleman has complicated
for his gardener the task of planting ten roses in the garden
into five lines with four roses in every line. See what the
complication really is...
An enigmatic pattern of the stained-glass circle with an intriguing
question of how many continuous strokes are required to draw it
without taking you pencil off the paper. Want to try it right away?
One more unicursal challenge
with stained-glass windows. Which of the six windows can be
drawn in the not-taking-the-pencil-off and
not-going-along-the-same-line-twice manner?
A challenge with drawing
several lines to obtain a number of regions with a certain
object in each of them. This time the theme is taking from
the space - sky and the spacepods.
Help each of the five men to reach their
respective houses without crossing the routes of the rest four.
Finding the proper routes leading to the aim is always a good
challenge itself.
A gardener has an ambitious plan to replant his flower bed, increasing the
number of the 4-rose-straight-line rows but keeping the overall number of
roses intact? Would it be possible?
One more challenge in a series of 12-dots-5-lines puzzles. Though the
twelve dots are arranged in little bit different way, the goal remains - 5
lines connected in a loop to cross them all out.
You have nine dots drawn in a square arrangement. Your goal is to draw
three squares in a way each dot is enclosed within a separate region. How
on this?
The next challenge in the series of points-and-lines puzzles. The
main goal remain intact - go through all the points not lifting a pencil
off the paper. This time - twelve dots and five lines. An additional rule
- the lines should be connected in a loop.
The object of this puzzle is to connect all the sixteen stars above
with exactly 6 connected straight lines without lifting your pencil off
the paper. The lines must go through the centers of the stars.
Get through the three gates placed on the 8x8 board, visiting all of the
64 cells only once. Enter the board at the red gate, pass under the green
and leave at the blue one.
Travel along the edges of a
dodecahedron (a three-dimensional solid with twelve pentagonal faces)
through the 20 corner points of it and then finish at the start point.
Which template for an orchard do you have to use when you want to plant
ten trees in five straight rows of four trees each? Is there any template
at all?
A dozen of figures and supposed all of them can be drawn in one continuous
line. But what if not all can be drawn so? Now it's a challenge for you -
to find out the truth.
Suppose you have to build a railroad network between four cities placed in
the corners of a perfect square. What pattern must you choose to minimize
it?
The four intersecting circles have to be drawn in the traditional way -
neither taking a pencil off the paper, nor going over any part of the line
twice.