Table:
text: List of The Shadow episodes
Season 1B: (1938 summer series)
Season 1B: (1938 summer series)
Episode Title Writers Preservation Original_airdate
1B-12 (38) Murder on Approval — Preserved June12,1938
1B-13 (39) The Tomb of Terror — Preserved June19,1938
1B-14 (40) The Old People — Preserved June26,1938
1B-15 (41) The Voice of the Trumpet — Preserved July3,1938
1B-16 (42) He Died at Twelve — Preserved July10,1938
1B-17 (43) The Reincarnation of Michael — Preserved July17,1938
1B-18 (44) The Mark of the Bat — Preserved July24,1938
1B-19 (45) Revenge on the Shadow — Preserved July31,1938
1B-20 (46) The Mine Hunters — Preserved August7,1938
1B-21 (47) The Hospital Murders — Preserved August14,1938
1B-22 (48) The Caverns of Death — Preserved August21,1938
1B-23 (49) Death Under the Chapel — Preserved August28,1938

Question: From the list of "The Shadow" episodes, what number in Season 1B (Summer 1938 series) have episodes 1b-16 (42) survived?