BEGIN { x=1 }
function inc() {
i = (c%40)
A[c+1] = (i==x-1||i==x||i==x+1) ? "█" : "░"
c+=1
}
{ inc() }
$1 == "addx" {
inc()
x+=$2
END {
for (i=0;i<=5;i++) {
r = ""
for (j=1;j<=40;j++) {
r = r A[i*40+j]
print r