starry, 133 bytes

Result

AC

Code [DL]

, +     +  `  +` +               +    *   +   + +   + * ' +. `  +               +   * +'*      +*  + +   +   + +               + *  '

Disassembly

[[:num_in],
 [:dup],
 [:push, 0],
 [:label, 2],
 [:swap],
 [:label, 0],
 [:dup],
 [:push, 10],
 [:%],
 [:rotate],
 [:rotate],
 [:dup],
 [:rotate],
 [:-],
 [:jump, 1],
 [:dup],
 [:num_out],
 [:label, 1],
 [:swap],
 [:push, 10],
 [:/],
 [:dup],
 [:jump, 0],
 [:+],
 [:push, 1],
 [:+],
 [:swap],
 [:dup],
 [:rotate],
 [:rotate],
 [:dup],
 [:push, 10],
 [:-],
 [:jump, 2]]

stdin

7131565510665601621363850259413647203629882946125620480529924219708919181947015534021244823069948139

stdout

0000000000111111111111112222222222222333333334444444444555555555566666666666777788888888999999999999

stderr

strace