rail, 153 bytes

Result

WA

Code [DL]

$ 'j'      #(c){j}(x)-@
 \-(!x!)(!c!)(c)(x)g<
              #(x)(c)-@

$ 'main'/{j}i-\
 \      |     |
 |      \   /-/
 \-91a----e<  
            \-ooo# 

stdin

4460937665487131631359681731214636004229232380061757558616297144371162596675622531390041057335345723

stdout

000

stderr

strace