2L 21s

↖ 1L 20s	↑ 2L 20s	3L 20s ↗
← 1L 21s	2L 21s	3L 21s →
↙ 1L 22s	↓ 2L 22s	3L 22s ↘

┌╥┬┬┬┬┬┬┬┬┬┬╥┬┬┬┬┬┬┬┬┬┬┬┐ │║││││││││││║││││││││││││ │││││││││││││││││││││││││ └┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┘
Scale structure
Step pattern	LssssssssssLsssssssssss sssssssssssLssssssssssL
Equave	2/1 (1200.0 ¢)
Period	2/1 (1200.0 ¢)
Generator size
Bright	11\23 to 1\2 (573.9 ¢ to 600.0 ¢)
Dark	1\2 to 12\23 (600.0 ¢ to 626.1 ¢)
TAMNAMS information
Related to	2L 7s (balzano)
With tunings	8:1 to 1:0
Related MOS scales
Parent	2L 19s
Sister	21L 2s
Daughters	23L 2s, 2L 23s
Neutralized	4L 19s
2-Flought	25L 21s, 2L 44s
Equal tunings
Equalized (L:s = 1:1)	11\23 (573.9 ¢)
Supersoft (L:s = 4:3)	34\71 (574.6 ¢)
Soft (L:s = 3:2)	23\48 (575.0 ¢)
Semisoft (L:s = 5:3)	35\73 (575.3 ¢)
Basic (L:s = 2:1)	12\25 (576.0 ¢)
Semihard (L:s = 5:2)	25\52 (576.9 ¢)
Hard (L:s = 3:1)	13\27 (577.8 ¢)
Superhard (L:s = 4:1)	14\29 (579.3 ¢)
Collapsed (L:s = 1:0)	1\2 (600.0 ¢)

2L 21s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 2 large steps and 21 small steps, repeating every octave. 2L 21s is related to 2L 7s, expanding it by 14 tones. Generators that produce this scale range from 573.9 ¢ to 600 ¢, or from 600 ¢ to 626.1 ¢.

Modes

Modes of 2L 21s

UDP	Cyclic order	Step pattern
22|0	1	LssssssssssLsssssssssss
21|1	12	LsssssssssssLssssssssss
20|2	23	sLssssssssssLssssssssss
19|3	11	sLsssssssssssLsssssssss
18|4	22	ssLssssssssssLsssssssss
17|5	10	ssLsssssssssssLssssssss
16|6	21	sssLssssssssssLssssssss
15|7	9	sssLsssssssssssLsssssss
14|8	20	ssssLssssssssssLsssssss
13|9	8	ssssLsssssssssssLssssss
12|10	19	sssssLssssssssssLssssss
11|11	7	sssssLsssssssssssLsssss
10|12	18	ssssssLssssssssssLsssss
9|13	6	ssssssLsssssssssssLssss
8|14	17	sssssssLssssssssssLssss
7|15	5	sssssssLsssssssssssLsss
6|16	16	ssssssssLssssssssssLsss
5|17	4	ssssssssLsssssssssssLss
4|18	15	sssssssssLssssssssssLss
3|19	3	sssssssssLsssssssssssLs
2|20	14	ssssssssssLssssssssssLs
1|21	2	ssssssssssLsssssssssssL
0|22	13	sssssssssssLssssssssssL