3-row:

4-row:

G - C - F F - Bb - Eb - Ab
G# - C# - F# F# - B - E - A
A - D - G G - C - F - Bb
B - Eb - Ab G# - C# - F# - B
B - E - A A - D - G - C
C - F - Bb Bb - Eb - Ab - Db
C# - F# - B B - E - A - D
  C - F - Bb - Eb
   

Here you can select your customized manual layout: