Grid References

This project shows a grid of Simpsons characters as though it was a standard OS map. The Black square can be pulled around to provide a grid - and a four figure grid reference when aligned with the blue lines. The red square give s a six figure grid reference. Pressing the reset button returns these squares to the bottom left of the image.
Give the six figure references for;
  • Barts nose
  • The devils fork
  • Grampa Simpsons Hat
  • Homers eye.
Who is at;
  • 549 426
  • 541 423
  • 529 426
  • 513 414