stuck, 63 bytes

Result

WA

Duration

498ms

Code [DL]

ssss["x:map(int,x.split())"mT"x:[x[3]-e for e in x]"mT]yu]u]u][

stdin

28 70 25
09 99 97
14 11 07
68 95 29

stdout

[40, 25, 4, 59, -4, -68, 54, 84, 22]

stderr

strace