This puzzle is a hard version of
Order Puzzle. Nine consecutive numbers,
1 to 9, are depicted on
the square blocks as shown in the above big tray. Every
piece but piece 5(!) can slide to an adjacent free space. To move
pieces simply click them.
The goal is to change the correct order of the numbers
on the square blocks to opposite as shown in the right small diagram
above. How many moves will you need to solve the puzzle?
It is a basic puzzle for this type of sliding block
puzzles in a 3x4 tray with nine square blocks which make
a 3x3 pattern, and a 1x2 "shuttle" block.
Try more of similar puzzles on a 3x4 grid with
a 1x2 "shuttle"
block; they are shown below. Also, a
similar "shuttle" piece was used in
Card Suits Suite - 2 by Serhiy Grabarchuk. Using of
this "shuttle" piece which can move just by only one
cell back and forth
makes these puzzles especially
In this puzzle its 3x4 tray is
covered with a transparent cover which has an opening in the shape of a Fir-tree. In the Start position all
blue stars decorate the Fir-tree, while all orange bulbs are
scattered around it. Your challenge is to swap stars and
The green Christmas-tree is
depicted on the surface of nine square pieces. Also
there are four fragments of another, blue
Christmas-tree. Your holiday challenge is to assemble
the whole, blue Christmas-tree which will look exactly
like the green one.
One more variation in a 3x4 tray
with a "shuttle" block. Besides the "shuttle" block the
puzzle has nine blocks: eight identically shaped blocks
with one corner cut in two colors, and one central 1x1
block. The object is to reverse the whole fan. This
puzzle has two different challenges -- easy and hard.