← Tools|Pythagorean Spiral
P5↑P5↑P5↑P5↑P5↑P5↑Ffa#1Cdoh#2Gsol#3Dre#4Ala#5Emi#6Bri#7

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Reference

F
fa
#1
C
doh
#2
G
sol
#3
D
re
#4
A
la
#5
E
mi
#6
B
ri
#7

Each step is a perfect fifth upward. The flat keys (♭) live at the left end; the sharp keys (♯) at the right.