After 12th position, the 1st position closed fingering recurs and The sequence starts over.
XIV
Now, here’s the big picture- every note in C Major from open to 13th fret on the mandolin fingerboard.
G
E
D
A
G
D
A
E
= root
=chord tone
= scale tone
This diagram shows both open and closed fingerings. For closed Position, use 4th finger. For open, just play open D, A, and E strings Instead of 4th finger on the G, D, and A strings.