Injera[14] and Hexadecimal[9]

Nothing wrong with these, beyond the fact that they are out of tune.

Injera[14]
rms error 11.219

[2, 8, 8, 8, 7, -4]
[1, 9/8, 6/5, 4/3, 7/5, 3/2, 14/9, 5/3, 12/7, 9/5, 27/14, 15/7, 7/3, 18/7]
[[6/5, 9/5, 4/3, 1, 3/2, 9/8, 5/3], [12/7, 18/7, 27/14, 7/5, 15/7,
14/9, 7/3]]

Circle of tetrads generator = 3/2
[1, 5/4, 3/2, 7/4]
[1, 5/4, 3/2, 7/4]
[1, 5/4, 3/2, 7/4]
[1, 6/5, 3/2, 12/7]
[1, 6/5, 3/2, 12/7]
[1, 6/5, 3/2, 12/7]
[1, 6/5, 36/25, 12/7]

Circles of alternative tetrads generator = 3/2
[1, 21/16, 3/2, 15/8] [1, 7/6, 3/2, 5/3] [1, 7/6, 3/2, 7/4]
[1, 21/16, 3/2, 15/8] [1, 7/6, 3/2, 5/3] [1, 7/6, 3/2, 7/4]
[1, 9/7, 3/2, 9/5] [1, 7/6, 3/2, 5/3] [1, 7/6, 3/2, 7/4]
[1, 9/7, 3/2, 9/5] [1, 7/6, 3/2, 5/3] [1, 7/6, 3/2, 12/7]
[1, 9/7, 3/2, 9/5] [1, 8/7, 3/2, 8/5] [1, 8/7, 3/2, 12/7]
[1, 9/7, 3/2, 9/5] [1, 8/7, 3/2, 8/5] [1, 8/7, 3/2, 12/7]
[1, 9/7, 36/25, 9/5] [1, 8/7, 36/25, 8/5] [1, 8/7, 36/25, 12/7]

Hexadecimal[9]
rms error 18.585

[1, -3, 5, -7, 5, 20]
[1, 9/8, 6/5, 5/4, 4/3, 3/2, 8/5, 5/3, 15/8]
[5/3, 5/4, 15/8, 4/3, 1, 3/2, 9/8, 8/5, 6/5]

Generator = 3/2
[1, 21/16, 3/2, 7/4] [1, 6/5, 3/2, 7/4]
[1, 21/16, 3/2, 7/4] [1, 6/5, 3/2, 7/4]
[1, 21/16, 3/2, 7/4] [1, 6/5, 3/2, 7/4]
[1, 5/4, 3/2, 7/4] [1, 6/5, 3/2, 7/4]
[1, 5/4, 3/2, 5/3] [1, 6/5, 3/2, 5/3]
[1, 5/4, 3/2, 5/3] [1, 8/7, 3/2, 5/3]
[1, 5/4, 3/2, 5/3] [1, 8/7, 3/2, 5/3]
[1, 5/4, 3/2, 5/3] [1, 8/7, 3/2, 5/3]
[1, 5/4, 10/7, 5/3] [1, 8/7, 10/7, 5/3]