It's a Mystery!#1 
Fabric Requirements

Background 3 yards
Main fabric (best if large print) 2-3/4 yards
Accent 1-7/8 yards
Binding 1 yard


Cutting:

Background
 
(6) strips 2-1/2" x 45"
  (3) strips 4-7/8" x 45", subcut (24) 4-7/8" squares
  Set aside the rest for the setting

Main Fabric:
  (3) strips 4-7/8" x 45", subcut (24) 4-7/8" squares
  Set aside the rest for the outside border

Accent:
  (2) strips 4-1/2" x 45", subcut (12) 4-1/2" squares
  (6) strips 2-1/2" x 45"
  Set aside the rest for the first border

Clue 1       Clue 2        Clue 3      Clue 4      Clue 5      Clue 6  

Final Diagram   Photo