P595 CEEFAX 595 Tue 26 Dec 22:49/04 22:45/51 7---"BBC1"----22 Stu P 0 * P 1 * P 2 * P 3 1 2 3 4 5 6 7 8 0 2 1 2 2 2 o N IDLE TX ENGIN COMMS ENG