number decoding to ascii brainfuck

byte-num-to-ascii.bf

# input format
# 0 n 0 0 0 etc
#   ^
# simulating input 124
>++++++++++++++++++++++++++++++
++++++++++++++++++++++++++++++
++++++++++++++++++++++++++++++
++++++++++++++++++++++++++++++++++
>>>+<<<
# 0 124 0 0 1
#   ^

# first loop: 100th place
[
>++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++
# 0 124 100 0 1
#       ^
[<[->-<<]>>]
# 0 25 0 0 1  can be equal
#      ^
#or
# 0 0 75 0 1
#        ^
>[-
  #the termination case
  <<------------------------------
  ------------------------------
  ----------------------------------------
  # 0 0 ―25 0 0 n
  #      ^
  >>>[-<<<<<+>>>>>]<<
  # n 0 ―25 0 0 0
  #         ^
]
>[
  #the continuation case
  >+< <<<<
]
>
]
>>>[->[-<<<<<+>>>>>]>>>]


<<<<<<
# adding 48 offset
<<++++++++++++++++++++++++++++++++++++++++
++++++++>>



# second loop: 10th place
# the code is the same as 100th place; but the input is inverted; so some signs had to be inverted
>>>+<<<
# 0 ―24 0 0 1
#   ^
[
>----------
# 0 ―24 ―10 0 1
#       ^
[<[+>+<<]>>]
# 0 ―4 0 0 1  can be equal
#      ^
#or
# 0 0 ―6 0 1
#        ^
>[-
  #the termination case
  <<++++++++++
  # 0 0 4 0 0 n
  #     ^
  >>>[-<<<<<+>>>>>]<<
  # n 0 ―25 0 0 0
  #         ^
]
>[
  #the continuation case
  >+< <<<<
]
>
]
>>>[->[-<<<<<+>>>>>]>>>]
<<<<<<[-<+>]
#adding 48
<++++++++++++++++++++++++++++++++++++++++
++++++++
<++++++++++++++++++++++++++++++++++++++++
++++++++
<
# output
# 49 50 52 0 0 0 0 0 0
# ^

.>.>.<<