Case #1:
B finishes at t=4
C never finishes because of P
I never finishes because of B and C
P finishes at t=5

Case #2:
A finishes at t=4
B finishes at t=2
C finishes at t=3
D finishes at t=4
E finishes at t=6
F finishes at t=9
G finishes at t=5
H never finishes because of E and G
I finishes at t=1
J finishes at t=1
K finishes at t=1
L finishes at t=1
M never finishes because of N
N never finishes because of M
O never finishes because of P
P never finishes because of O
Q never finishes because of R
R never finishes because of Q
S never finishes because of T
T never finishes because of S
U finishes at t=2
Z never finishes because of A

Case #3:
A never finishes because of B and C
B finishes at t=1
C finishes at t=1

Case #4:
Y finishes at t=6
Z never finishes because of Y

Case #5:
A finishes at t=4
B never finishes because of A

Case #6:
D finishes at t=6
E never finishes because of F
F never finishes because of D

Case #7:
J finishes at t=1
K finishes at t=1

Case #8:
A never finishes because of B and C and D
B finishes at t=100
C finishes at t=100
D finishes at t=100
E finishes at t=100
F finishes at t=100
G finishes at t=100
H finishes at t=100
I finishes at t=100
J finishes at t=100
K finishes at t=100
L finishes at t=130
M finishes at t=100
N finishes at t=100
O finishes at t=100
P finishes at t=100
Q finishes at t=100
R finishes at t=100
S finishes at t=100
T finishes at t=100
U finishes at t=100
V finishes at t=100
W finishes at t=100
X finishes at t=100
Y finishes at t=118
Z never finishes because of A and B and C and D and E and F and G and H and I and J and K and L and M and N and O and P and Q and R and S and T and U and V and W and X and Y

Case #9:
A finishes at t=2
B never finishes because of X
C never finishes because of Y
D never finishes because of X and Y
X finishes at t=1
Y finishes at t=2

Case #10:
A finishes at t=6
B finishes at t=4
C finishes at t=6
D finishes at t=7
E finishes at t=7
F finishes at t=7
W finishes at t=7
X finishes at t=7
Y finishes at t=7
Z finishes at t=6

Case #11:
A finishes at t=10
B finishes at t=11
C finishes at t=11