X
N
S
Ta
s
n
I:
w 
N
S
!Commit to 'node' was made outside it
Tb
s
n
x
I,
w 
X
I?
w 
N
S
Tc
s
n
N
S
s
n
x
I,
w 
X
N
S
Td
s
n
N
S
s
n
x
I,
w