#define s 16
px=18
py=12
pm=4
i=pm
repeat pm
i=cnt
repeat pm-cnt,1
pos (px+i)*s,(py*s)-(cnt*s):mes "■"
pos (px*s)+(cnt*s),(py+i)*s:mes "■"
pos (px-i)*s,(py*s)+(cnt*s):mes "■"
pos (px*s)-(cnt*s),(py-i)*s:mes "■"
loop
loop