People seem to forget Newcastle Central used to have 15 platforms instead of 12 right up to when the ECML was electrified
P1 used to be P4, original P1 and P2 is now a car park, original P3 some remains are visible, P9-P12 used to be P12-P15
P2 was P5
P3 was P6
P4 was P7
P5 was P8
P6 was P9
P7 and P8 was P10 and P11