The
numbers to the left of each row or above each column tell you
how many consecutive blocks to shade.
If the numbers are separated by a comma or a bar, this means
that there is at least one 
Watch and learn :) 
space between
the strings of consecutively shaded blocks.
There may be empty blocks at the beginning or at the end of a row
or column.
The consecutively shaded blocks will appear in the grid in the same
order as the numbers.
HINT:
placing x's in the spots that you know do not have shading helps
to solve the puzzle.
******************************************************
Look at
this example to see how it all works together.
Watch and learn :)
