$2:##:
          -#$1@@@@$2#-
         #$1@@$2=..=$1@@$2#
         +$1@@$2-  -$1@@$2+
    -#$1@@$2*..*$1@$2..$1@$2*..*$1@@$2#-
  :#$1@@$2*+%$1@$2= .  . =$1@$2%+*$1@@$2#:
+$1@@@$2:    :-.    .-:   :$1@@@$2+
  :#$1@@$2*+%$1@$2= .  . =$1@$2%+*$1@@$2#:
    -#$1@@$2*..*$1@$2..$1@$2*..*$1@@$2#-
         +$1@@$2-  -$1@@$2+
         #$1@@$2=..=$1@@$2#
          -#$1@@@@$2#-
            :##: