I think Woodlands depot got additional S101 duty for 980 during
weekdays.Last Friday i spotted
SMB20C,50R,100E,118E,129Z,130T,131R,132M for Amdep and
SMB306D,307B,308X,309Z,1463B,1543D & 1544B for Wldep.1544B was
on S102 and 1463B was on S101 in the PM peak.