This file shows the three methods in succession, and then all three results together.

>python img.py 2017-03-26_SecondPie.png

Expanding horizontal space between characters.
Expanding characters onto separate lines.
Separating character clusters into separate images

N 1 Vv N 2 Vv 2 N 2 Vv 2 T R Vv 3 T 3 R 3 R 1 N 8 R2 R 1 T 6 R2 T 2 T 1 (before correction)
N 1 Vv N 2 Vv 2 N 2 Vv 2 T R Vv 3 T 3 R 3 R 1 N 8 R2 R 1 T 6 R2 T 2 T 1 (after correction)
['1', '2', '2', '2', '2', '3', '3', '3', '1', '8', '2', '1', '6', '2', '2', '1']

N 1 Vv N 2 V2 N 2 V2 T R V3 T3 R3 R 1 N8 R2 R 1 T6 R2 T2 T1 (before correction)
N 1 Vv N 2 V2 N 2 V2 T R V3 T3 R3 R 1 N8 R2 R 1 T6 R2 T2 T1 (after correction)
['1', '2', '2', '2', '2', '3', '3', '3', '1', '8', '2', '1', '6', '2', '2', '1']

N 1 Vv N 2 V2 N 2 V2 T R V3 T3 R3 R 1 N8 R2 R 1 T6 R2 T2 T1 (before correction)
N 1 Vv N 2 V2 N 2 V2 T R V3 T3 R3 R 1 N8 R2 R 1 T6 R2 T2 T1 (after correction)
['1', '2', '2', '2', '2', '3', '3', '3', '1', '8', '2', '1', '6', '2', '2', '1']
Results:
['1', '2', '2', '2', '2', '3', '3', '3', '1', '8', '2', '1', '6', '2', '2', '1']
['1', '2', '2', '2', '2', '3', '3', '3', '1', '8', '2', '1', '6', '2', '2', '1']
['1', '2', '2', '2', '2', '3', '3', '3', '1', '8', '2', '1', '6', '2', '2', '1']

===

>python img.py 2007-04-12_SecondPie.png

Expanding horizontal space between characters.
Expanding characters onto separate lines.
Separating character clusters into separate images

R 1 N Vv T N 3 R 5 N 2 Vv 5 N 2 R4 R 1 N 3 T9 N 2 R4 R 1 N 3 Vv 1 0 R 3 (before correction)
R 1 N Vv T N 3 R 5 N 2 Vv 5 N 2 R4 R 1 N 3 T9 N 2 R4 R 1 N 3 Vv 1 0 R 3 (after correction)
['1', '3', '5', '2', '5', '2', '4', '1', '3', '9', '2', '4', '1', '3', '10', '3']

R 1 N Vv T N 3 RS N 2 V5 N 2 R4 R 1 N 3 T9 N 2 R4 R 1 N 3 vio R3 (before correction)
R 1 N Vv T N 3 R5 N 2 V5 N 2 R4 R 1 N 3 T9 N 2 R4 R 1 N 3 v10 R3 (after correction)
['1', '3', '5', '2', '5', '2', '4', '1', '3', '9', '2', '4', '1', '3', '10', '3']

R 1 N Vv T N 3 RS N 2 VS N 2 R4 R 1 N 3 T9 N 2 R4 R 1 N 3 vio R3 (before correction)
R 1 N Vv T N 3 R5 N 2 V5 N 2 R4 R 1 N 3 T9 N 2 R4 R 1 N 3 v10 R3 (after correction)
['1', '3', '5', '2', '5', '2', '4', '1', '3', '9', '2', '4', '1', '3', '10', '3']
Results:
['1', '3', '5', '2', '5', '2', '4', '1', '3', '9', '2', '4', '1', '3', '10', '3']
['1', '3', '5', '2', '5', '2', '4', '1', '3', '9', '2', '4', '1', '3', '10', '3']
['1', '3', '5', '2', '5', '2', '4', '1', '3', '9', '2', '4', '1', '3', '10', '3']