U=undergrad
G=grad
C=concurrent enrollment

perl1
A	C
A-	UUGGG
B+	UGG
B	UC
B-	UUCGG
C+	UUUCG
C	UUUUUC
D	U
F

darling model
A	UUCCG
A-	UUCGG
B+	UG
B	UUGGG
B-	UUUUC
C+	UUUC
C
D
F	UG	(not turned in)

fellowship
A
A-	GGG
B+	UUCCG
B	UUUUUCGG
B-	UUUUUUUCGG
C+	UC
C
D
F

perl2
A	CG
A-	UCG
B+	UUUCCG
B	UUGGG
B-	UUUGG
C+	UUU
C	U
D	C
F	UU

perl3 (before grade corrections)
A
A-	UUUCCCCGGGG
B+	UUUUGG
B	UG
B-	
C+	UUUUCG
C
D	U
F	UU

perl3 (after grade corrections)
A	UCGGG
A-	UUUUCCCGGG
B+	UUUUU
B	G
B-	
C+	UUCG
C
D	U
F	UU

perl4
A+	C
A	GGG
A-	UUCC
B+	UUUGG
B	UUUUCGGG
B-	U
C+	
C	UU
D	UU
F	UU

paper3
A	UG
A-	U
B+	UUCCCGGGGGG
B	UUUCG
B-	UUUUU
C+	UU
C	
D	U
F	U

perl5
A	CCG
A-	UUUGG
B+	UUUUUUCCGGGG
B	U
B-	UG
C+	UUC
C	
D	
F	UU

Final grades (average weighted 1,1.5,2,2,2,3,2.5,2)
[Note: slight changes in weights or boundaries can shift a few grades
a little, but the current scheme seems to result in reasonable choices.]

	best at right
A	C
A-	GCGG
B+	CUGUCUGGU
B	UUUGUU
B-	GU
C+	U
C	CUU
D	U
F	U