1st measure (repeated 4 times):
IN LETTERS:
treble: CCDG
bass:   F GFC DC

IN NUMBERS 1-12:
treble: 4,4,6,11
bass:   9,  11,9,4,  6,4

2nd measure:

treble: AbAb B
bass:   DbEbDbAbBbAb

treble: 12,12,  3
bass:   5,    7,5,12,  2,12

3rd measure:

treble: A A B
bass:   D ED A BA

treble: 1,1,  3
bass:   6,  8,6,1,3,1

4th measure:

treble: G G Bb
bass:   C DC GAG

treble: 11,11,  14
bass:   4, 6, 4,11,13,11

5th measure:

treble: DbDb E
bass:   GbAbGbDbEbDb

treble: 5,5,  8
bass:   10, 12,10, 5, 7,5