bash-busybox, 175 bytes

Result

AC

Duration

1371ms

Code [DL]

IFS= read a;while IFS= read b;do
echo "$a";f="$b";g="$f"
done
c=`sed -r 's/T.+/T/'<<<"$a"`
d=`sed -r 's/K.+/K/'<<<"$g"`
printf "$d"
printf *%.s `eval echo {1..$[${#c}-${#d}]}`

stdin

                                       T          
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
               K                                  

stdout

                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
                                       T          
               K************************

stderr

strace