Related Clues:
- Alliance of states taking boundary area back
- A side's lost the war
- Line up for the mathematicians?
- Network where mournful tune endlessly given backing
- A boundary knocked over, producing turning point
- Pin of a revolver?
- Short funeral hymn reflected basis for puzzles
- Imaginary central line
- Imaginary centre of rotation
- Network of crossing parallel lines
- Grating - which you are filling in
- Spindle - German/Italian alliance - deer
- Supposed political alliance
- Electrical network - American football field - grating
- Grating of parallel bars