to the left.
\b A laser that would re-emerge from the entry location is considered to be
to the left.
\b A laser that would re-emerge from the entry location is considered to be
\b A laser which would get deflected down the laser firing range is also
\b A laser which would get deflected down the laser firing range is also
- considered to be 'reflected'; this means that a ball to the front-left
+ considered to be \q{reflected}; this means that a ball to the front-left
or front-right of a laser's entry point will reflect the laser.
or front-right of a laser's entry point will reflect the laser.
-Lasers that are reflected appear as a 'R'; lasers that hit balls
-dead-on appear as 'H'. Otherwise, a number appears at the firing point
+Lasers that are reflected appear as a \q{R}; lasers that hit balls
+dead-on appear as \q{H}. Otherwise, a number appears at the firing point
and the location where the laser emerges (this number is unique to
that shot).
and the location where the laser emerges (this number is unique to
that shot).
As shown, it is possible for a ball to receive multiple reflections
before re-emerging (see turn 3). Similarly, a ball may be reflected
As shown, it is possible for a ball to receive multiple reflections
before re-emerging (see turn 3). Similarly, a ball may be reflected
-(possibly more than once) before receiving a hit (the 'H' on the
+(possibly more than once) before receiving a hit (the \q{H} on the
left side of the example).
Note that any layout with more that 4 balls may have a non-unique
left side of the example).
Note that any layout with more that 4 balls may have a non-unique
\dt \e{Width}, \e{Height}
\dt \e{Width}, \e{Height}
-\dd Size of grid in squares. There are 2 * \e{Width} * \e{Height} lasers
+\dd Size of grid in squares. There are 2 \by \e{Width} \by \e{Height} lasers
per grid, two per row and two per column.
\dt \e{No. of balls}
\dd Number of balls to place in the grid. This can be a single number,
per grid, two per row and two per column.
\dt \e{No. of balls}
\dd Number of balls to place in the grid. This can be a single number,
-or a range (separated with a hyphen, like '2-6'), and determines the
-number of balls to place on the grid. The 'reveal' button is only
+or a range (separated with a hyphen, like \q{2-6}), and determines the
+number of balls to place on the grid. The \q{reveal} button is only
enabled if you have guessed an appropriate number of balls; a guess
using a different number to the original solution is still acceptable,
if all the laser inputs and outputs match.
enabled if you have guessed an appropriate number of balls; a guess
using a different number to the original solution is still acceptable,
if all the laser inputs and outputs match.