
var x;
var y;
var flag_x;
var flag_y;
x = 31;
y = 0;
flag_x = 1;
flag_y = 0;
while(1){
cls();
if(flag_x == 0){
x = x + 1;
if(x == 31){
flag_x = 1;
x = x - 1;
}
}
else{
x = x - 1;
if(x == 0){
flag_x = 0;
x = x + 1;
}
}
if(flag_y == 0){
y = y + 1;
if(y == 23){
flag_y = 1;
y = y -1;
}
}
else{
y = y - 1;
if(y == 0){
flag_y = 0;
y = y + 1;
}
}
lc(x, y);
log("o");
sleep(200);
}