# B: 0, C: 0, L: 1, c: 0
i    
# B: 5, C: 5, L: 1, c: 5
!Commit to 'fold' was made outside it
# B: 4, C: 4, L: 1, c: 4
-a
# B: 5, C: 5, L: 1, c: 5
l\x0a
# B: 6, C: 6, L: 2, c: 0
i    
# B: 11, C: 11, L: 2, c: 5
!Commit to 'fold' was made outside it
# B: 10, C: 10, L: 2, c: 4
-b
# B: 11, C: 11, L: 2, c: 5
b\x0a
# B: 12, C: 12, L: 3, c: 0
L\x0a
# B: 13, C: 13, L: 4, c: 0
i    
# B: 18, C: 18, L: 4, c: 5
!Commit to 'fold' was made outside it
# B: 17, C: 17, L: 4, c: 4
-c