editing disabled

27/22
|-1 3 0 0 -1>
354.5471 cents
sound sample

27/22 is 243/242 (7.1 cents) sharp of 11/9, and together with 11/9 makes 3/2, so that we obtain the two neutral triads, 1-11/9-3/2 and 1-27/22-3/2, with intervals of 11/9 and 27/22. It is the interval between 10/9 and 15/11 and 11/9 and 3/2 and their inversions.