<!DOCTYPE html>
<html>
<style>
</style>
<body>
<div class="w3-container">
</div>
<div class="w3-content" style="max-width:800px">
<div class="mySlides">1</div>
<div class="mySlides">2</div>
<div class="mySlides">3</div>
<div class="mySlides">4</div>
</div>
<div class="w3-center">
<div class="w3-section">
<button class="w3-button w3-light-grey" onclick="plusDivs(-1)">❮ Prev</button>
<button class="w3-button w3-light-grey" onclick="plusDivs(1)">Next ❯</button>
</div>
<button class="w3-button demo" onclick="currentDiv(1)">1</button> <br>
<hr>
<button class="w3-button demo" onclick="currentDiv(2)">2</button> <br>
<hr>
<button class="w3-button demo" onclick="currentDiv(3)">3</button> <br><hr>
<button class="w3-button demo" onclick="currentDiv(4)">4</button> <br><hr>
</div>
<script>
var slideIndex = 1;
showDivs(slideIndex);
function plusDivs(n) {
showDivs(slideIndex += n);
}
function currentDiv(n) {
showDivs(slideIndex = n);
}
function showDivs(n) {
var i;
var x = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("demo");
if (n > x.length) {slideIndex = 1}
if (n < 1) {slideIndex = x.length}
for (i = 0; i < x.length; i++) {
x[i].style.display = "none";
}
for (i = 0; i < dots.length; i++) {
dots[i].className = dots[i].className.replace(" w3-red", "");
}
x[slideIndex-1].style.display = "block";
dots[slideIndex-1].className += " w3-red";
}
</script>
</body>
</html>
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