Callbacks to Open 2nd series:
68 started, 38 back
1, 4, 5, 8, 10, 11, 12, 13, 14, 15, 18, 20, 21, 28, 29, 30, 31, 32, 33, 38, 39, 42, 43, 45, 49, 50, 52, 53, 54, 58, 60, 61, 67, 68, 69, 72, 73, 76
68 started, 38 back
1, 4, 5, 8, 10, 11, 12, 13, 14, 15, 18, 20, 21, 28, 29, 30, 31, 32, 33, 38, 39, 42, 43, 45, 49, 50, 52, 53, 54, 58, 60, 61, 67, 68, 69, 72, 73, 76