p:,/'+:\9#'!9
1'$*(~&//)(,/{@[x;i;:;]'&~(!10)in,/x(+{(=x)x}'p,,3/:_p%3)i:x?0}')/.:''.z.x;

\

q av.k 200370009009200007001004002050000800008000900006000040900100500800007600400089001