Input (grade 13): In 1931 the first Deutschlandtour was held, and it is generally agreed upon that the race was exciting and well organised between 1937 and 1939, the start of World War II.
Output (grade 5): In 1931 the first Deutschlandtour was held. The race was well organised and exciting between 1937 and 1939, but stopped again at the start of World War II.