(a ROW) (b ROW) (c ROW) (d ROW) (e ROW) (1 COL) (2 COL) (3 COL) (4 COL) (5 COL) (red OBJECT) (purple OBJECT) (green OBJECT) (orange OBJECT) (yellow OBJECT) (preconds (at red e 2) (blocked e 2) (at yellow d 5) (blocked d 5) (at green a 3) (blocked a 3) (at purple a 5) (blocked a 5) (at orange a 1) (blocked a 1) (clear e 1) (clear e 3) (clear e 4) (clear e 5) (clear d 1) (clear d 2) (clear d 3) (clear d 4) (clear c 1) (clear c 2) (clear c 3) (clear c 4) (clear c 5) (clear b 1) (clear b 2) (clear b 3) (clear b 4) (clear b 5) (clear a 2) (clear a 4) ) (effects (at red c 3))