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37EDT is the equal division of the third harmonic into 37 parts of 21.6131 cents each, corresponding to 51.4042 edo (similar to every third step of 70edo). The tunings supplied by 111EDT (or 70edo) cannot be used for all low-limit just intervals, but they can be used on the 17-limit just intonation subgroup, tempering out 289/288, 325/324, 352/351, 385/384, 561/560, 595/594, 625/624, 676/675, 1089/1088, 1156/1155, 1225/1224, and 1331/1326.