Browser refresh (F5) ergibt neue, zufällige 4-Ton-Reihen
Bb Eb C E
Ab F B C
F E D Db
E D B Bb
D Bb F# A
G E Db F#
D A F C
E C Db Eb
B Ab E C
F# Db D Bb
A F Db Bb
B Eb Ab G
Db D B Eb
C D F G
G Db D A
E Eb F A
E Bb Ab Eb
F# Bb G Ab
Eb Ab Bb D
Ab F D A
C Eb A F
F Ab Bb F#
D B Eb C
Eb A D E