equal dstribution of letters around a circle.
letter:degree

A: 13.8461538461539
B: 27.6923076923077
C: 41.5384615384615
D: 55.3846153846154
E: 69.2307692307693
F: 83.0769230769231
G: 96.923076923077
H: 110.769230769231
I: 124.615384615385
J: 138.461538461539
K: 152.307692307692
L: 166.153846153846
M: 180
N: 193.846153846154