vertex 2 receives from
<form>
<input type="radio" id="20" name="2receives" value="0" checked="true">
<label for="20">0</label><br>
<input type="radio" id="21" name="2receives" value="1" >
<label for="21">1</label><br>
</form>
vertex 3 receives from
<form>
<input type="radio" id="30" name="3receives" value="0" checked="true">
<label for="30">0</label><br>
<input type="radio" id="31" name="3receives" value="1" >
<label for="31">1</label><br>
<input type="radio" id="32" name="3receives" value="2" >
<label for="32">2</label><br>
</form>
vertex 4 receives from
<form>
<input type="radio" id="40" name="4receives" value="0" checked="true">
<label for="40">0</label><br>
<input type="radio" id="41" name="4receives" value="1" >
<label for="41">1</label><br>
<input type="radio" id="42" name="4receives" value="2" >
<label for="42">2</label><br>
<input type="radio" id="43" name="4receives" value="3" >
<label for="43">3</label><br>
</form>
vertex 5 receives from
<form>
<input type="radio" id="50" name="5receives" value="0" checked="true">
<label for="50">0</label><br>
<input type="radio" id="51" name="5receives" value="1" >
<label for="51">1</label><br>
<input type="radio" id="52" name="5receives" value="2" >
<label for="52">2</label><br>
<input type="radio" id="53" name="5receives" value="3" >
<label for="53">3</label><br>
<input type="radio" id="54" name="5receives" value="4" >
<label for="54">4</label><br>
</form>
vertex 6 receives from
<form>
<input type="radio" id="60" name="6receives" value="0" checked="true">
<label for="60">0</label><br>
<input type="radio" id="61" name="6receives" value="1" >
<label for="61">1</label><br>
<input type="radio" id="62" name="6receives" value="2" >
<label for="62">2</label><br>
<input type="radio" id="63" name="6receives" value="3" >
<label for="63">3</label><br>
<input type="radio" id="64" name="6receives" value="4" >
<label for="64">4</label><br>
<input type="radio" id="65" name="6receives" value="5" >
<label for="65">5</label><br>
</form>

<button onclick="show()">show values</button>

<element id="demo"></element>


<script>
function show() {
text='';
for(let k=2; k<=6; k++) {
myValue=0;
myName=''+k.toString()+'receives';
elem=document.getElementsByName(myName);
for(j=0;j<elem.length;j++) {
if(elem[j].checked) {text+=j;}
}
}
document.getElementById('demo').innerHTML=text;
}
</script>