Find Exact-Fit Lines

Calculate the minimum space required by all the clues.

Use:

Minimum length = total of all clues + required spaces between the blocks

For a clue of 4 2 2:

4 + 2 + 2 + 2 required spaces = 10

If the line contains ten cells, there is only one possible arrangement:

■■■■×■■×■■

This is one of the easiest ways to begin a puzzle.