l = 1;
n = 1;
m = 1;
while (m < 21) {
document.write(">")
while (l < 51) {
document.write(n+',');
n++;
l++;
if(n==1001){
break;
}
}
if(n==1001){
break;
}
m++;
document.write("\n")
l = 0;
}

でけたこれで安価爆撃