<?php

for($x = -100; $x <= 100; $x++){
    if($x == 0 || $x == 3 || $x == 6 || $x == 9 || $x == 12 || $x == 15){
        echo "$x, ";

    }
}
echo "</br>";

for($x = -100; $x <= 100; $x++){
    if($x == 9 || $x == 10 || $x == 11 || $x == 13 || $x == 15 || $x == 17){
        echo "$x, ";

    }
}
echo "</br>";
for($x = -100; $x <= 100; $x++){
    if($x == -48 || $x == -24 || $x == -12 || $x == -6){
        echo "$x, ";

    }
}
echo "</br>";
for($x = -100; $x <= 100; $x++){
    if($x == 29 || $x == 13 || $x == 5 || $x == 1 || $x == -1 || $x == -2){
        echo "$x, ";

    }
}
echo "</br>";
echo "----------------------------";
echo "</br>";
$y = -100;
while($y <= 100){
    if($y == 0 || $y == 3 || $y == 6 || $y == 9 || $y == 12 || $y == 15){
        echo "$y, ";

    }
    $y++;
}
echo "</br>";
$y = -100;
while($y <= 100){
    if($y == 9 || $y == 10 || $y == 11 || $y == 13 || $y == 15 || $y == 17){
        echo "$y, ";

    }
    $y++;
}
echo "</br>";
$y = -100;
while($y <= 100){
    if($y == -48 || $y == -24 || $y == -12 || $y == -6){
        echo "$y, ";

    }
    $y++;
}
echo "</br>";
$y = -100;
while($y <= 100){
    if($y == 29 || $y == 13 || $y == 5 || $y == 1 || $y == -1 || $y == -2){
        echo "$y, ";

    }
    $y++;
}
echo "</br>";
echo "----------------------------";
echo "</br>";
$z = -100;
do{
    if($z == 0 || $z == 3 || $z == 6 || $z == 9 || $z == 12 || $z == 15){
        echo "$z, ";

    }
    $z++;
}while($z <= 100);
echo "</br>";
$z = -100;
do{
    if($z == 9 || $z == 10 || $z == 11 || $z == 13 || $z == 15 || $z == 17){
        echo "$z, ";

    }
    $z++;
}while($z <= 100);
echo "</br>";
$z = -100;
do{
    if($z == -48 || $z == -24 || $z == -12 || $z == -6){
        echo "$z, ";

    }
    $z++;
}while($z <= 100);
echo "</br>";
$z = -100;
do{
    if($z == 29 || $z == 13 || $z == 5 || $z == 1 || $z == -1 || $z == -2){
        echo "$z, ";

    }
    $z++;
}while($z <= 100);

?>