Question 322694
4d+2k=30
There are multiple combinations possible as shown by the following table
4d-+-2k=30 legs 
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7-----1=28=2=30
6-----3=24+6=30 "
5-----5=20+10=30  "
4-----7=16+14=30  "
3-----9=12+18=30  "
2----11=8+22=30  "
1----13=4+26=30  "