7dim7= 7 2 4 5#
By lower by a semitone one note ofthe diminsihed 7nth chord , we resolve next to a major chord which is again another note of the initial diminshed 7nth chord but one semitone higher
7dim7 =7 2 4 5# via 5M7 resolve to 1M
7dim7 =7 2 4 5# via 3M7 resolve to 6M
7dim7 =7 2 4 5# via 1#M7 resolve to 4#M
7dim7 =7 2 4 5# via 7bM7 resolve to 2#M
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