12433/34 must be renumbered as 22693/94 & its Primary Maintenance must be transferred to SR form NR. RSA patter with 12431/32(to be renumbered 22607/08) stays. 12433 i.e. 22693 which arrives NZM at 10.30 hrs can depart as 12432 i.e. 22608. 12431 i.e. 22607 which arrives NZM at 12.30 hrs can depart as 12434 i.e. 22694 at 15.45 hrs. Timings of 12433/34 stays same but number changed to 22693/94 & Primary Maintenance shifts to SR from NR.